421578

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 966720

約数和(自身を除く): 545142

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 211, 222, 333, 422, 633, 666, 999, 1266, 1899, 1998, 3798, 5697, 7807, 11394, 15614, 23421, 46842, 70263, 140526, 210789, 421578]

約数ペア:

[(1, 421578), (2, 210789), (3, 140526), (6, 70263), (9, 46842), (18, 23421), (27, 15614), (37, 11394), (54, 7807), (74, 5697), (111, 3798), (211, 1998), (222, 1899), (333, 1266), (422, 999), (633, 666)]