71438325

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 137788800

約数和(自身を除く): 66350475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2777, 3675, 5145, 8331, 8575, 13885, 19439, 25725, 41655, 58317, 69425, 97195, 136073, 208275, 291585, 408219, 485975, 680365, 952511, 1457925, 2041095, 2857533, 3401825, 4762555, 10205475, 14287665, 23812775, 71438325]

約数ペア:

[(1, 71438325), (3, 23812775), (5, 14287665), (7, 10205475), (15, 4762555), (21, 3401825), (25, 2857533), (35, 2041095), (49, 1457925), (75, 952511), (105, 680365), (147, 485975), (175, 408219), (245, 291585), (343, 208275), (525, 136073), (735, 97195), (1029, 69425), (1225, 58317), (1715, 41655), (2777, 25725), (3675, 19439), (5145, 13885), (8331, 8575)]