87358131

素因数分解:

$3^2\times 7^2\times {\mathrm{198091}}^1$

素因数の和:198111

約数の個数: 18

約数和(自身を含む): 146786172

約数和(自身を除く): 59428041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 198091, 594273, 1386637, 1782819, 4159911, 9706459, 12479733, 29119377, 87358131]

約数ペア:

[(1, 87358131), (3, 29119377), (7, 12479733), (9, 9706459), (21, 4159911), (49, 1782819), (63, 1386637), (147, 594273), (441, 198091)]