13251021

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 20766240

約数和(自身を除く): 7515219

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 827, 2289, 2481, 5341, 5789, 16023, 17367, 40523, 90143, 121569, 270429, 631001, 1893003, 4417007, 13251021]

約数ペア:

[(1, 13251021), (3, 4417007), (7, 1893003), (21, 631001), (49, 270429), (109, 121569), (147, 90143), (327, 40523), (763, 17367), (827, 16023), (2289, 5789), (2481, 5341)]