139973729

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{3121}}^1$

素因数の和:3320

約数の個数: 16

約数和(自身を含む): 164841600

約数和(自身を除く): 24867871

約数列:

[1, 7, 43, 149, 301, 1043, 3121, 6407, 21847, 44849, 134203, 465029, 939421, 3255203, 19996247, 139973729]

約数ペア:

[(1, 139973729), (7, 19996247), (43, 3255203), (149, 939421), (301, 465029), (1043, 134203), (3121, 44849), (6407, 21847)]