3990441

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 6709248

約数和(自身を除く): 2718807

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 311, 329, 611, 933, 987, 1833, 2177, 4043, 4277, 6531, 12129, 12831, 14617, 28301, 43851, 84903, 102319, 190021, 306957, 570063, 1330147, 3990441]

約数ペア:

[(1, 3990441), (3, 1330147), (7, 570063), (13, 306957), (21, 190021), (39, 102319), (47, 84903), (91, 43851), (141, 28301), (273, 14617), (311, 12831), (329, 12129), (611, 6531), (933, 4277), (987, 4043), (1833, 2177)]