18275481

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1478

約数の個数: 36

約数和(自身を含む): 31788900

約数和(自身を除く): 13513419

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1429, 1827, 4263, 4287, 10003, 12789, 12861, 30009, 41441, 70021, 90027, 124323, 210063, 290087, 372969, 630189, 870261, 2030609, 2610783, 6091827, 18275481]

約数ペア:

[(1, 18275481), (3, 6091827), (7, 2610783), (9, 2030609), (21, 870261), (29, 630189), (49, 372969), (63, 290087), (87, 210063), (147, 124323), (203, 90027), (261, 70021), (441, 41441), (609, 30009), (1421, 12861), (1429, 12789), (1827, 10003), (4263, 4287)]