68740785

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1459}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 122640000

約数和(自身を除く): 53899215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 1047, 1459, 1745, 3141, 4377, 5235, 7295, 9423, 13131, 15705, 21885, 39393, 47115, 65655, 196965, 509191, 1527573, 2545955, 4582719, 7637865, 13748157, 22913595, 68740785]

約数ペア:

[(1, 68740785), (3, 22913595), (5, 13748157), (9, 7637865), (15, 4582719), (27, 2545955), (45, 1527573), (135, 509191), (349, 196965), (1047, 65655), (1459, 47115), (1745, 39393), (3141, 21885), (4377, 15705), (5235, 13131), (7295, 9423)]