81190395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 176606976

約数和(自身を除く): 95416581

約数列:

[1, 3, 5, 9, 11, 13, 15, 31, 33, 37, 39, 45, 55, 65, 93, 99, 111, 117, 121, 143, 155, 165, 185, 195, 279, 333, 341, 363, 403, 407, 429, 465, 481, 495, 555, 585, 605, 715, 1023, 1089, 1147, 1209, 1221, 1287, 1395, 1443, 1573, 1665, 1705, 1815, 2015, 2035, 2145, 2405, 3069, 3441, 3627, 3663, 3751, 4329, 4433, 4477, 4719, 5115, 5291, 5445, 5735, 6045, 6105, 6435, 7215, 7865, 10323, 11253, 12617, 13299, 13431, 14157, 14911, 15345, 15873, 17205, 18135, 18315, 18755, 21645, 22165, 22385, 23595, 26455, 33759, 37851, 39897, 40293, 44733, 47619, 48763, 51615, 56265, 58201, 63085, 66495, 67155, 70785, 74555, 79365, 113553, 134199, 138787, 146289, 164021, 168795, 174603, 189255, 199485, 201465, 223665, 238095, 243815, 291005, 416361, 438867, 492063, 523809, 567765, 670995, 693935, 731445, 820105, 873015, 1249083, 1476189, 1804231, 2081805, 2194335, 2460315, 2619045, 5412693, 6245415, 7380945, 9021155, 16238079, 27063465, 81190395]

約数ペア:

[(1, 81190395), (3, 27063465), (5, 16238079), (9, 9021155), (11, 7380945), (13, 6245415), (15, 5412693), (31, 2619045), (33, 2460315), (37, 2194335), (39, 2081805), (45, 1804231), (55, 1476189), (65, 1249083), (93, 873015), (99, 820105), (111, 731445), (117, 693935), (121, 670995), (143, 567765), (155, 523809), (165, 492063), (185, 438867), (195, 416361), (279, 291005), (333, 243815), (341, 238095), (363, 223665), (403, 201465), (407, 199485), (429, 189255), (465, 174603), (481, 168795), (495, 164021), (555, 146289), (585, 138787), (605, 134199), (715, 113553), (1023, 79365), (1089, 74555), (1147, 70785), (1209, 67155), (1221, 66495), (1287, 63085), (1395, 58201), (1443, 56265), (1573, 51615), (1665, 48763), (1705, 47619), (1815, 44733), (2015, 40293), (2035, 39897), (2145, 37851), (2405, 33759), (3069, 26455), (3441, 23595), (3627, 22385), (3663, 22165), (3751, 21645), (4329, 18755), (4433, 18315), (4477, 18135), (4719, 17205), (5115, 15873), (5291, 15345), (5445, 14911), (5735, 14157), (6045, 13431), (6105, 13299), (6435, 12617), (7215, 11253), (7865, 10323)]