399298557

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{47417}}^1$

素因数の和:47828

約数の個数: 16

約数和(自身を含む): 609985152

約数和(自身を除く): 210686595

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 47417, 142251, 331919, 995757, 19014217, 57042651, 133099519, 399298557]

約数ペア:

[(1, 399298557), (3, 133099519), (7, 57042651), (21, 19014217), (401, 995757), (1203, 331919), (2807, 142251), (8421, 47417)]