31282455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 54315360

約数和(自身を除く): 23032905

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 109, 159, 265, 285, 327, 361, 545, 795, 1007, 1083, 1635, 1805, 2071, 3021, 5035, 5415, 5777, 6213, 10355, 15105, 17331, 19133, 28885, 31065, 39349, 57399, 86655, 95665, 109763, 118047, 196745, 286995, 329289, 548815, 590235, 1646445, 2085497, 6256491, 10427485, 31282455]

約数ペア:

[(1, 31282455), (3, 10427485), (5, 6256491), (15, 2085497), (19, 1646445), (53, 590235), (57, 548815), (95, 329289), (109, 286995), (159, 196745), (265, 118047), (285, 109763), (327, 95665), (361, 86655), (545, 57399), (795, 39349), (1007, 31065), (1083, 28885), (1635, 19133), (1805, 17331), (2071, 15105), (3021, 10355), (5035, 6213), (5415, 5777)]