215533926

素因数分解:

$2^1\times 3^3\times {\mathrm{3991369}}^1$

素因数の和:3991380

約数の個数: 16

約数和(自身を含む): 478964400

約数和(自身を除く): 263430474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 3991369, 7982738, 11974107, 23948214, 35922321, 71844642, 107766963, 215533926]

約数ペア:

[(1, 215533926), (2, 107766963), (3, 71844642), (6, 35922321), (9, 23948214), (18, 11974107), (27, 7982738), (54, 3991369)]