419934921

素因数分解:

$3^1\times 7^1\times {\mathrm{3251}}^1\times {\mathrm{6151}}^1$

素因数の和:9412

約数の個数: 16

約数和(自身を含む): 640201728

約数和(自身を除く): 220266807

約数列:

[1, 3, 7, 21, 3251, 6151, 9753, 18453, 22757, 43057, 68271, 129171, 19996901, 59990703, 139978307, 419934921]

約数ペア:

[(1, 419934921), (3, 139978307), (7, 59990703), (21, 19996901), (3251, 129171), (6151, 68271), (9753, 43057), (18453, 22757)]