31001625

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 59209488

約数和(自身を除く): 28207863

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 1621, 2125, 3825, 4863, 6375, 8105, 14589, 19125, 24315, 27557, 40525, 72945, 82671, 121575, 137785, 202625, 248013, 364725, 413355, 607875, 688925, 1240065, 1823625, 2066775, 3444625, 6200325, 10333875, 31001625]

約数ペア:

[(1, 31001625), (3, 10333875), (5, 6200325), (9, 3444625), (15, 2066775), (17, 1823625), (25, 1240065), (45, 688925), (51, 607875), (75, 413355), (85, 364725), (125, 248013), (153, 202625), (225, 137785), (255, 121575), (375, 82671), (425, 72945), (765, 40525), (1125, 27557), (1275, 24315), (1621, 19125), (2125, 14589), (3825, 8105), (4863, 6375)]