2495505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 4219776

約数和(自身を除く): 1724271

約数列:

[1, 3, 5, 15, 43, 53, 73, 129, 159, 215, 219, 265, 365, 645, 795, 1095, 2279, 3139, 3869, 6837, 9417, 11395, 11607, 15695, 19345, 34185, 47085, 58035, 166367, 499101, 831835, 2495505]

約数ペア:

[(1, 2495505), (3, 831835), (5, 499101), (15, 166367), (43, 58035), (53, 47085), (73, 34185), (129, 19345), (159, 15695), (215, 11607), (219, 11395), (265, 9417), (365, 6837), (645, 3869), (795, 3139), (1095, 2279)]