1557100839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{17377}}^1$

素因数の和:17655

約数の個数: 32

約数和(自身を含む): 2522451456

約数和(自身を除く): 965350617

約数列:

[1, 3, 7, 17, 21, 51, 119, 251, 357, 753, 1757, 4267, 5271, 12801, 17377, 29869, 52131, 89607, 121639, 295409, 364917, 886227, 2067863, 4361627, 6203589, 13084881, 30531389, 74147659, 91594167, 222442977, 519033613, 1557100839]

約数ペア:

[(1, 1557100839), (3, 519033613), (7, 222442977), (17, 91594167), (21, 74147659), (51, 30531389), (119, 13084881), (251, 6203589), (357, 4361627), (753, 2067863), (1757, 886227), (4267, 364917), (5271, 295409), (12801, 121639), (17377, 89607), (29869, 52131)]