1155645

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 2040792

約数和(自身を除く): 885147

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 421, 549, 915, 1263, 2105, 2745, 3789, 6315, 18945, 25681, 77043, 128405, 231129, 385215, 1155645]

約数ペア:

[(1, 1155645), (3, 385215), (5, 231129), (9, 128405), (15, 77043), (45, 25681), (61, 18945), (183, 6315), (305, 3789), (421, 2745), (549, 2105), (915, 1263)]