74401275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 133678944

約数和(自身を除く): 59277669

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 325, 411, 557, 685, 975, 1671, 1781, 2055, 2785, 3425, 5343, 7241, 8355, 8905, 10275, 13925, 21723, 26715, 36205, 41775, 44525, 76309, 108615, 133575, 181025, 228927, 381545, 543075, 992017, 1144635, 1907725, 2976051, 4960085, 5723175, 14880255, 24800425, 74401275]

約数ペア:

[(1, 74401275), (3, 24800425), (5, 14880255), (13, 5723175), (15, 4960085), (25, 2976051), (39, 1907725), (65, 1144635), (75, 992017), (137, 543075), (195, 381545), (325, 228927), (411, 181025), (557, 133575), (685, 108615), (975, 76309), (1671, 44525), (1781, 41775), (2055, 36205), (2785, 26715), (3425, 21723), (5343, 13925), (7241, 10275), (8355, 8905)]