621378687

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2\times {\mathrm{331}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 851088640

約数和(自身を除く): 229709953

約数列:

[1, 3, 79, 89, 237, 267, 331, 993, 7031, 7921, 21093, 23763, 26149, 29459, 78447, 88377, 625759, 1877277, 2327261, 2621851, 6981783, 7865553, 207126229, 621378687]

約数ペア:

[(1, 621378687), (3, 207126229), (79, 7865553), (89, 6981783), (237, 2621851), (267, 2327261), (331, 1877277), (993, 625759), (7031, 88377), (7921, 78447), (21093, 29459), (23763, 26149)]