677998215

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36131}}^1$

素因数の和:36284

約数の個数: 32

約数和(自身を含む): 1214035200

約数和(自身を除く): 536036985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255, 18765, 36131, 108393, 180655, 325179, 541965, 975537, 1625895, 4877685, 5022209, 15066627, 25111045, 45199881, 75333135, 135599643, 225999405, 677998215]

約数ペア:

[(1, 677998215), (3, 225999405), (5, 135599643), (9, 75333135), (15, 45199881), (27, 25111045), (45, 15066627), (135, 5022209), (139, 4877685), (417, 1625895), (695, 975537), (1251, 541965), (2085, 325179), (3753, 180655), (6255, 108393), (18765, 36131)]