31904205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 53602560

約数和(自身を除く): 21698355

約数列:

[1, 3, 5, 15, 29, 71, 87, 145, 213, 355, 435, 1033, 1065, 2059, 3099, 5165, 6177, 10295, 15495, 29957, 30885, 73343, 89871, 149785, 220029, 366715, 449355, 1100145, 2126947, 6380841, 10634735, 31904205]

約数ペア:

[(1, 31904205), (3, 10634735), (5, 6380841), (15, 2126947), (29, 1100145), (71, 449355), (87, 366715), (145, 220029), (213, 149785), (355, 89871), (435, 73343), (1033, 30885), (1065, 29957), (2059, 15495), (3099, 10295), (5165, 6177)]