156728313

素因数分解:

$3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1487}}^1$

素因数の和:1746

約数の個数: 36

約数和(自身を含む): 264625920

約数和(自身を除く): 107897607

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 441, 717, 1487, 1673, 2151, 4461, 5019, 10409, 11711, 13383, 15057, 31227, 35133, 72863, 93681, 105399, 218589, 355393, 655767, 1066179, 2487751, 3198537, 7463253, 17414257, 22389759, 52242771, 156728313]

約数ペア:

[(1, 156728313), (3, 52242771), (7, 22389759), (9, 17414257), (21, 7463253), (49, 3198537), (63, 2487751), (147, 1066179), (239, 655767), (441, 355393), (717, 218589), (1487, 105399), (1673, 93681), (2151, 72863), (4461, 35133), (5019, 31227), (10409, 15057), (11711, 13383)]