25390575

素因数分解:

$3^2\times 5^2\times 7^4\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 90

約数和(自身を含む): 54182544

約数和(自身を除く): 28791969

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 49, 63, 75, 105, 141, 147, 175, 225, 235, 245, 315, 329, 343, 423, 441, 525, 705, 735, 987, 1029, 1175, 1225, 1575, 1645, 1715, 2115, 2205, 2303, 2401, 2961, 3087, 3525, 3675, 4935, 5145, 6909, 7203, 8225, 8575, 10575, 11025, 11515, 12005, 14805, 15435, 16121, 20727, 21609, 24675, 25725, 34545, 36015, 48363, 57575, 60025, 74025, 77175, 80605, 103635, 108045, 112847, 145089, 172725, 180075, 241815, 338541, 403025, 518175, 540225, 564235, 725445, 1015623, 1209075, 1692705, 2821175, 3627225, 5078115, 8463525, 25390575]

約数ペア:

[(1, 25390575), (3, 8463525), (5, 5078115), (7, 3627225), (9, 2821175), (15, 1692705), (21, 1209075), (25, 1015623), (35, 725445), (45, 564235), (47, 540225), (49, 518175), (63, 403025), (75, 338541), (105, 241815), (141, 180075), (147, 172725), (175, 145089), (225, 112847), (235, 108045), (245, 103635), (315, 80605), (329, 77175), (343, 74025), (423, 60025), (441, 57575), (525, 48363), (705, 36015), (735, 34545), (987, 25725), (1029, 24675), (1175, 21609), (1225, 20727), (1575, 16121), (1645, 15435), (1715, 14805), (2115, 12005), (2205, 11515), (2303, 11025), (2401, 10575), (2961, 8575), (3087, 8225), (3525, 7203), (3675, 6909), (4935, 5145)]