87738273

素因数分解:

$3^2\times 7^2\times {\mathrm{198953}}^1$

素因数の和:198973

約数の個数: 18

約数和(自身を含む): 147424914

約数和(自身を除く): 59686641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 198953, 596859, 1392671, 1790577, 4178013, 9748697, 12534039, 29246091, 87738273]

約数ペア:

[(1, 87738273), (3, 29246091), (7, 12534039), (9, 9748697), (21, 4178013), (49, 1790577), (63, 1392671), (147, 596859), (441, 198953)]