72615109

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 90123840

約数和(自身を除く): 17508731

約数列:

[1, 7, 17, 49, 119, 179, 487, 833, 1253, 3043, 3409, 8279, 8771, 21301, 23863, 57953, 87173, 149107, 405671, 610211, 1481941, 4271477, 10373587, 72615109]

約数ペア:

[(1, 72615109), (7, 10373587), (17, 4271477), (49, 1481941), (119, 610211), (179, 405671), (487, 149107), (833, 87173), (1253, 57953), (3043, 23863), (3409, 21301), (8279, 8771)]