290438589

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{122393}}^1$

素因数の和:122516

約数の個数: 16

約数和(自身を含む): 446493312

約数和(自身を除く): 156054723

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 122393, 367179, 856751, 2570253, 13830409, 41491227, 96812863, 290438589]

約数ペア:

[(1, 290438589), (3, 96812863), (7, 41491227), (21, 13830409), (113, 2570253), (339, 856751), (791, 367179), (2373, 122393)]