1291391997

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{564173}}^1$

素因数の和:564292

約数の個数: 16

約数和(自身を含む): 1985892480

約数和(自身を除く): 694500483

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 564173, 1692519, 3949211, 11847633, 61494857, 184484571, 430463999, 1291391997]

約数ペア:

[(1, 1291391997), (3, 430463999), (7, 184484571), (21, 61494857), (109, 11847633), (327, 3949211), (763, 1692519), (2289, 564173)]