3923187891

素因数分解:

$3^1\times 7^2\times {\mathrm{1471}}^1\times {\mathrm{18143}}^1$

素因数の和:19631

約数の個数: 24

約数和(自身を含む): 6089416704

約数和(自身を除く): 2166228813

約数列:

[1, 3, 7, 21, 49, 147, 1471, 4413, 10297, 18143, 30891, 54429, 72079, 127001, 216237, 381003, 889007, 2667021, 26688353, 80065059, 186818471, 560455413, 1307729297, 3923187891]

約数ペア:

[(1, 3923187891), (3, 1307729297), (7, 560455413), (21, 186818471), (49, 80065059), (147, 26688353), (1471, 2667021), (4413, 889007), (10297, 381003), (18143, 216237), (30891, 127001), (54429, 72079)]