64852725

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{2521}}^1$

素因数の和:2555

約数の個数: 48

約数和(自身を含む): 125091200

約数和(自身を除く): 60238475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2521, 3675, 5145, 7563, 8575, 12605, 17647, 25725, 37815, 52941, 63025, 88235, 123529, 189075, 264705, 370587, 441175, 617645, 864703, 1323525, 1852935, 2594109, 3088225, 4323515, 9264675, 12970545, 21617575, 64852725]

約数ペア:

[(1, 64852725), (3, 21617575), (5, 12970545), (7, 9264675), (15, 4323515), (21, 3088225), (25, 2594109), (35, 1852935), (49, 1323525), (75, 864703), (105, 617645), (147, 441175), (175, 370587), (245, 264705), (343, 189075), (525, 123529), (735, 88235), (1029, 63025), (1225, 52941), (1715, 37815), (2521, 25725), (3675, 17647), (5145, 12605), (7563, 8575)]