261567195

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 426124800

約数和(自身を除く): 164557605

約数列:

[1, 3, 5, 15, 71, 213, 355, 449, 547, 1065, 1347, 1641, 2245, 2735, 6735, 8205, 31879, 38837, 95637, 116511, 159395, 194185, 245603, 478185, 582555, 736809, 1228015, 3684045, 17437813, 52313439, 87189065, 261567195]

約数ペア:

[(1, 261567195), (3, 87189065), (5, 52313439), (15, 17437813), (71, 3684045), (213, 1228015), (355, 736809), (449, 582555), (547, 478185), (1065, 245603), (1347, 194185), (1641, 159395), (2245, 116511), (2735, 95637), (6735, 38837), (8205, 31879)]