261566592021

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{7938529}}^1$

素因数の和:7939065

約数の個数: 24

約数和(自身を含む): 432618130880

約数和(自身を除く): 171051538859

約数列:

[1, 3, 7, 9, 21, 63, 523, 1569, 3661, 4707, 10983, 32949, 7938529, 23815587, 55569703, 71446761, 166709109, 500127327, 4151850667, 12455552001, 29062954669, 37366656003, 87188864007, 261566592021]

約数ペア:

[(1, 261566592021), (3, 87188864007), (7, 37366656003), (9, 29062954669), (21, 12455552001), (63, 4151850667), (523, 500127327), (1569, 166709109), (3661, 71446761), (4707, 55569703), (10983, 23815587), (32949, 7938529)]