415957521

素因数分解:

$3^1\times 7^2\times {\mathrm{1069}}^1\times {\mathrm{2647}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 646006080

約数和(自身を除く): 230048559

約数列:

[1, 3, 7, 21, 49, 147, 1069, 2647, 3207, 7483, 7941, 18529, 22449, 52381, 55587, 129703, 157143, 389109, 2829643, 8488929, 19807501, 59422503, 138652507, 415957521]

約数ペア:

[(1, 415957521), (3, 138652507), (7, 59422503), (21, 19807501), (49, 8488929), (147, 2829643), (1069, 389109), (2647, 157143), (3207, 129703), (7483, 55587), (7941, 52381), (18529, 22449)]