156939111

素因数分解:

$3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1489}}^1$

素因数の和:1748

約数の個数: 36

約数和(自身を含む): 264981600

約数和(自身を除く): 108042489

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 441, 717, 1489, 1673, 2151, 4467, 5019, 10423, 11711, 13401, 15057, 31269, 35133, 72961, 93807, 105399, 218883, 355871, 656649, 1067613, 2491097, 3202839, 7473291, 17437679, 22419873, 52313037, 156939111]

約数ペア:

[(1, 156939111), (3, 52313037), (7, 22419873), (9, 17437679), (21, 7473291), (49, 3202839), (63, 2491097), (147, 1067613), (239, 656649), (441, 355871), (717, 218883), (1489, 105399), (1673, 93807), (2151, 72961), (4467, 35133), (5019, 31269), (10423, 15057), (11711, 13401)]