390428415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21529}}^1$

素因数の和:21584

約数の個数: 48

約数和(自身を含む): 752344320

約数和(自身を除く): 361915905

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 6045, 18135, 21529, 64587, 107645, 193761, 279877, 322935, 667399, 839631, 968805, 1399385, 2002197, 2518893, 3336995, 4198155, 6006591, 8676187, 10010985, 12594465, 26028561, 30032955, 43380935, 78085683, 130142805, 390428415]

約数ペア:

[(1, 390428415), (3, 130142805), (5, 78085683), (9, 43380935), (13, 30032955), (15, 26028561), (31, 12594465), (39, 10010985), (45, 8676187), (65, 6006591), (93, 4198155), (117, 3336995), (155, 2518893), (195, 2002197), (279, 1399385), (403, 968805), (465, 839631), (585, 667399), (1209, 322935), (1395, 279877), (2015, 193761), (3627, 107645), (6045, 64587), (18135, 21529)]