398249733

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{127277}}^1$

素因数の和:127436

約数の個数: 16

約数和(自身を含む): 610934400

約数和(自身を除く): 212684667

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 127277, 381831, 890939, 2672817, 18964273, 56892819, 132749911, 398249733]

約数ペア:

[(1, 398249733), (3, 132749911), (7, 56892819), (21, 18964273), (149, 2672817), (447, 890939), (1043, 381831), (3129, 127277)]