87309819

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{1747}}^1$

素因数の和:2376

約数の個数: 20

約数和(自身を含む): 130711944

約数和(自身を除く): 43402125

約数列:

[1, 3, 9, 27, 81, 617, 1747, 1851, 5241, 5553, 15723, 16659, 47169, 49977, 141507, 1077899, 3233697, 9701091, 29103273, 87309819]

約数ペア:

[(1, 87309819), (3, 29103273), (9, 9701091), (27, 3233697), (81, 1077899), (617, 141507), (1747, 49977), (1851, 47169), (5241, 16659), (5553, 15723)]