74965725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{11489}}^1$

素因数の和:11534

約数の個数: 36

約数和(自身を含む): 138914100

約数和(自身を除く): 63948375

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 11489, 34467, 57445, 103401, 172335, 287225, 333181, 517005, 861675, 999543, 1665905, 2585025, 2998629, 4997715, 8329525, 14993145, 24988575, 74965725]

約数ペア:

[(1, 74965725), (3, 24988575), (5, 14993145), (9, 8329525), (15, 4997715), (25, 2998629), (29, 2585025), (45, 1665905), (75, 999543), (87, 861675), (145, 517005), (225, 333181), (261, 287225), (435, 172335), (725, 103401), (1305, 57445), (2175, 34467), (6525, 11489)]