30368475

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 55188432

約数和(自身を除く): 24819957

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 1901, 3195, 5325, 5703, 9505, 15975, 17109, 28515, 47525, 85545, 134971, 142575, 404913, 427725, 674855, 1214739, 2024565, 3374275, 6073695, 10122825, 30368475]

約数ペア:

[(1, 30368475), (3, 10122825), (5, 6073695), (9, 3374275), (15, 2024565), (25, 1214739), (45, 674855), (71, 427725), (75, 404913), (213, 142575), (225, 134971), (355, 85545), (639, 47525), (1065, 28515), (1775, 17109), (1901, 15975), (3195, 9505), (5325, 5703)]