671638821

素因数分解:

$3^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{29423}}^1$

素因数の和:30520

約数の個数: 16

約数和(自身を含む): 1024425984

約数和(自身を除く): 352787163

約数列:

[1, 3, 7, 21, 1087, 3261, 7609, 22827, 29423, 88269, 205961, 617883, 31982801, 95948403, 223879607, 671638821]

約数ペア:

[(1, 671638821), (3, 223879607), (7, 95948403), (21, 31982801), (1087, 617883), (3261, 205961), (7609, 88269), (22827, 29423)]