263640963

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 367690752

約数和(自身を除く): 104049789

約数列:

[1, 3, 61, 71, 103, 183, 197, 213, 309, 591, 4331, 6283, 7313, 12017, 12993, 13987, 18849, 20291, 21939, 36051, 41961, 60873, 446093, 853207, 1237751, 1338279, 1440661, 2559621, 3713253, 4321983, 87880321, 263640963]

約数ペア:

[(1, 263640963), (3, 87880321), (61, 4321983), (71, 3713253), (103, 2559621), (183, 1440661), (197, 1338279), (213, 1237751), (309, 853207), (591, 446093), (4331, 60873), (6283, 41961), (7313, 36051), (12017, 21939), (12993, 20291), (13987, 18849)]