321002493

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{140237}}^1$

素因数の和:140356

約数の個数: 16

約数和(自身を含む): 493637760

約数和(自身を除く): 172635267

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 140237, 420711, 981659, 2944977, 15285833, 45857499, 107000831, 321002493]

約数ペア:

[(1, 321002493), (3, 107000831), (7, 45857499), (21, 15285833), (109, 2944977), (327, 981659), (763, 420711), (2289, 140237)]