28486575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9739}}^1$

素因数の和:9768

約数の個数: 36

約数和(自身を含む): 54953080

約数和(自身を除く): 26466505

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9739, 29217, 48695, 87651, 126607, 146085, 243475, 379821, 438255, 633035, 730425, 1139463, 1899105, 2191275, 3165175, 5697315, 9495525, 28486575]

約数ペア:

[(1, 28486575), (3, 9495525), (5, 5697315), (9, 3165175), (13, 2191275), (15, 1899105), (25, 1139463), (39, 730425), (45, 633035), (65, 438255), (75, 379821), (117, 243475), (195, 146085), (225, 126607), (325, 87651), (585, 48695), (975, 29217), (2925, 9739)]