399784917

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{62011}}^1$

素因数の和:62328

約数の個数: 16

約数和(自身を含む): 611190272

約数和(自身を除く): 211405355

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 62011, 186033, 434077, 1302231, 19037377, 57112131, 133261639, 399784917]

約数ペア:

[(1, 399784917), (3, 133261639), (7, 57112131), (21, 19037377), (307, 1302231), (921, 434077), (2149, 186033), (6447, 62011)]