27728415

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 30977505

約数列:

[1, 3, 5, 9, 11, 13, 15, 31, 33, 39, 45, 55, 65, 93, 99, 117, 139, 143, 155, 165, 195, 279, 341, 403, 417, 429, 465, 495, 585, 695, 715, 1023, 1209, 1251, 1287, 1395, 1529, 1705, 1807, 2015, 2085, 2145, 3069, 3627, 4309, 4433, 4587, 5115, 5421, 6045, 6255, 6435, 7645, 9035, 12927, 13299, 13761, 15345, 16263, 18135, 19877, 21545, 22165, 22935, 27105, 38781, 39897, 47399, 56017, 59631, 64635, 66495, 68805, 81315, 99385, 142197, 168051, 178893, 193905, 199485, 236995, 280085, 298155, 426591, 504153, 616187, 710985, 840255, 894465, 1848561, 2132955, 2520765, 3080935, 5545683, 9242805, 27728415]

約数ペア:

[(1, 27728415), (3, 9242805), (5, 5545683), (9, 3080935), (11, 2520765), (13, 2132955), (15, 1848561), (31, 894465), (33, 840255), (39, 710985), (45, 616187), (55, 504153), (65, 426591), (93, 298155), (99, 280085), (117, 236995), (139, 199485), (143, 193905), (155, 178893), (165, 168051), (195, 142197), (279, 99385), (341, 81315), (403, 68805), (417, 66495), (429, 64635), (465, 59631), (495, 56017), (585, 47399), (695, 39897), (715, 38781), (1023, 27105), (1209, 22935), (1251, 22165), (1287, 21545), (1395, 19877), (1529, 18135), (1705, 16263), (1807, 15345), (2015, 13761), (2085, 13299), (2145, 12927), (3069, 9035), (3627, 7645), (4309, 6435), (4433, 6255), (4587, 6045), (5115, 5421)]