68757975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 144751152

約数和(自身を除く): 75993177

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2137, 2145, 2475, 2925, 3575, 6411, 6435, 10685, 10725, 19233, 23507, 27781, 32055, 32175, 53425, 70521, 83343, 96165, 117535, 138905, 160275, 211563, 250029, 305591, 352605, 416715, 480825, 587675, 694525, 916773, 1057815, 1250145, 1527955, 1763025, 2083575, 2750319, 4583865, 5289075, 6250725, 7639775, 13751595, 22919325, 68757975]

約数ペア:

[(1, 68757975), (3, 22919325), (5, 13751595), (9, 7639775), (11, 6250725), (13, 5289075), (15, 4583865), (25, 2750319), (33, 2083575), (39, 1763025), (45, 1527955), (55, 1250145), (65, 1057815), (75, 916773), (99, 694525), (117, 587675), (143, 480825), (165, 416715), (195, 352605), (225, 305591), (275, 250029), (325, 211563), (429, 160275), (495, 138905), (585, 117535), (715, 96165), (825, 83343), (975, 70521), (1287, 53425), (2137, 32175), (2145, 32055), (2475, 27781), (2925, 23507), (3575, 19233), (6411, 10725), (6435, 10685)]