1321565

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 1845120

約数和(自身を除く): 523555

約数列:

[1, 5, 7, 35, 61, 305, 427, 619, 2135, 3095, 4333, 21665, 37759, 188795, 264313, 1321565]

約数ペア:

[(1, 1321565), (5, 264313), (7, 188795), (35, 37759), (61, 21665), (305, 4333), (427, 3095), (619, 2135)]