31902075

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2084

約数の個数: 36

約数和(自身を含む): 57973968

約数和(自身を除く): 26071893

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 1997, 3195, 5325, 5991, 9985, 15975, 17973, 29955, 49925, 89865, 141787, 149775, 425361, 449325, 708935, 1276083, 2126805, 3544675, 6380415, 10634025, 31902075]

約数ペア:

[(1, 31902075), (3, 10634025), (5, 6380415), (9, 3544675), (15, 2126805), (25, 1276083), (45, 708935), (71, 449325), (75, 425361), (213, 149775), (225, 141787), (355, 89865), (639, 49925), (1065, 29955), (1775, 17973), (1997, 15975), (3195, 9985), (5325, 5991)]