180414

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 433440

約数和(自身を除く): 253026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 257, 351, 514, 702, 771, 1542, 2313, 3341, 4626, 6682, 6939, 10023, 13878, 20046, 30069, 60138, 90207, 180414]

約数ペア:

[(1, 180414), (2, 90207), (3, 60138), (6, 30069), (9, 20046), (13, 13878), (18, 10023), (26, 6939), (27, 6682), (39, 4626), (54, 3341), (78, 2313), (117, 1542), (234, 771), (257, 702), (351, 514)]