640051566297

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{40323289}}^1$

素因数の和:40323353

約数の個数: 32

約数和(自身を含む): 1029695533440

約数和(自身を除く): 389643967143

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 15873, 40323289, 120969867, 443556179, 524202757, 1330668537, 1491961693, 1572608271, 4475885079, 5766230327, 16411578623, 17298690981, 19395502009, 49234735869, 58186506027, 213350522099, 640051566297]

約数ペア:

[(1, 640051566297), (3, 213350522099), (11, 58186506027), (13, 49234735869), (33, 19395502009), (37, 17298690981), (39, 16411578623), (111, 5766230327), (143, 4475885079), (407, 1572608271), (429, 1491961693), (481, 1330668537), (1221, 524202757), (1443, 443556179), (5291, 120969867), (15873, 40323289)]