1307784275

素因数分解:

$5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20143}}^1$

素因数の和:20220

約数の個数: 36

約数和(自身を含む): 1922100192

約数和(自身を除く): 614315917

約数列:

[1, 5, 7, 25, 35, 49, 53, 175, 245, 265, 371, 1225, 1325, 1855, 2597, 9275, 12985, 20143, 64925, 100715, 141001, 503575, 705005, 987007, 1067579, 3525025, 4935035, 5337895, 7473053, 24675175, 26689475, 37365265, 52311371, 186826325, 261556855, 1307784275]

約数ペア:

[(1, 1307784275), (5, 261556855), (7, 186826325), (25, 52311371), (35, 37365265), (49, 26689475), (53, 24675175), (175, 7473053), (245, 5337895), (265, 4935035), (371, 3525025), (1225, 1067579), (1325, 987007), (1855, 705005), (2597, 503575), (9275, 141001), (12985, 100715), (20143, 64925)]