81822195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 184991040

約数和(自身を除く): 103168845

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 45, 53, 63, 65, 87, 91, 105, 117, 145, 159, 169, 195, 203, 261, 265, 273, 315, 371, 377, 435, 455, 477, 507, 585, 609, 689, 795, 819, 845, 1015, 1113, 1131, 1183, 1305, 1365, 1521, 1537, 1827, 1855, 1885, 2067, 2385, 2535, 2639, 3045, 3339, 3393, 3445, 3549, 4095, 4611, 4823, 4901, 5565, 5655, 5915, 6201, 7605, 7685, 7917, 8957, 9135, 10335, 10647, 10759, 13195, 13833, 14469, 14703, 16695, 16965, 17745, 19981, 23055, 23751, 24115, 24505, 26871, 31005, 32277, 34307, 39585, 43407, 44109, 44785, 53235, 53795, 59943, 62699, 69165, 72345, 73515, 80613, 96831, 99905, 102921, 118755, 134355, 139867, 161385, 171535, 179829, 188097, 217035, 220545, 259753, 299715, 308763, 313495, 403065, 419601, 484155, 514605, 564291, 699335, 779259, 899145, 940485, 1258803, 1298765, 1543815, 1818271, 2098005, 2337777, 2821455, 3896295, 5454813, 6294015, 9091355, 11688885, 16364439, 27274065, 81822195]

約数ペア:

[(1, 81822195), (3, 27274065), (5, 16364439), (7, 11688885), (9, 9091355), (13, 6294015), (15, 5454813), (21, 3896295), (29, 2821455), (35, 2337777), (39, 2098005), (45, 1818271), (53, 1543815), (63, 1298765), (65, 1258803), (87, 940485), (91, 899145), (105, 779259), (117, 699335), (145, 564291), (159, 514605), (169, 484155), (195, 419601), (203, 403065), (261, 313495), (265, 308763), (273, 299715), (315, 259753), (371, 220545), (377, 217035), (435, 188097), (455, 179829), (477, 171535), (507, 161385), (585, 139867), (609, 134355), (689, 118755), (795, 102921), (819, 99905), (845, 96831), (1015, 80613), (1113, 73515), (1131, 72345), (1183, 69165), (1305, 62699), (1365, 59943), (1521, 53795), (1537, 53235), (1827, 44785), (1855, 44109), (1885, 43407), (2067, 39585), (2385, 34307), (2535, 32277), (2639, 31005), (3045, 26871), (3339, 24505), (3393, 24115), (3445, 23751), (3549, 23055), (4095, 19981), (4611, 17745), (4823, 16965), (4901, 16695), (5565, 14703), (5655, 14469), (5915, 13833), (6201, 13195), (7605, 10759), (7685, 10647), (7917, 10335), (8957, 9135)]