427401405

素因数分解:

$3^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{3989}}^1$

素因数の和:6381

約数の個数: 24

約数和(自身を含む): 741326040

約数和(自身を除く): 313924635

約数列:

[1, 3, 5, 9, 15, 45, 2381, 3989, 7143, 11905, 11967, 19945, 21429, 35715, 35901, 59835, 107145, 179505, 9497809, 28493427, 47489045, 85480281, 142467135, 427401405]

約数ペア:

[(1, 427401405), (3, 142467135), (5, 85480281), (9, 47489045), (15, 28493427), (45, 9497809), (2381, 179505), (3989, 107145), (7143, 59835), (11905, 35901), (11967, 35715), (19945, 21429)]