25915725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 52190112

約数和(自身を除く): 26274387

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 111, 165, 185, 225, 275, 283, 333, 407, 495, 555, 825, 849, 925, 1221, 1415, 1665, 2035, 2475, 2547, 2775, 3113, 3663, 4245, 6105, 7075, 8325, 9339, 10175, 10471, 12735, 15565, 18315, 21225, 28017, 30525, 31413, 46695, 52355, 63675, 77825, 91575, 94239, 115181, 140085, 157065, 233475, 261775, 345543, 471195, 575905, 700425, 785325, 1036629, 1727715, 2355975, 2879525, 5183145, 8638575, 25915725]

約数ペア:

[(1, 25915725), (3, 8638575), (5, 5183145), (9, 2879525), (11, 2355975), (15, 1727715), (25, 1036629), (33, 785325), (37, 700425), (45, 575905), (55, 471195), (75, 345543), (99, 261775), (111, 233475), (165, 157065), (185, 140085), (225, 115181), (275, 94239), (283, 91575), (333, 77825), (407, 63675), (495, 52355), (555, 46695), (825, 31413), (849, 30525), (925, 28017), (1221, 21225), (1415, 18315), (1665, 15565), (2035, 12735), (2475, 10471), (2547, 10175), (2775, 9339), (3113, 8325), (3663, 7075), (4245, 6105)]