25497225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 51455040

約数和(自身を除く): 25957815

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 379, 575, 585, 897, 975, 1035, 1137, 1495, 1725, 1895, 2691, 2925, 3411, 4485, 4927, 5175, 5685, 7475, 8717, 9475, 13455, 14781, 17055, 22425, 24635, 26151, 28425, 43585, 44343, 67275, 73905, 78453, 85275, 113321, 123175, 130755, 217925, 221715, 339963, 369525, 392265, 566605, 653775, 1019889, 1108575, 1699815, 1961325, 2833025, 5099445, 8499075, 25497225]

約数ペア:

[(1, 25497225), (3, 8499075), (5, 5099445), (9, 2833025), (13, 1961325), (15, 1699815), (23, 1108575), (25, 1019889), (39, 653775), (45, 566605), (65, 392265), (69, 369525), (75, 339963), (115, 221715), (117, 217925), (195, 130755), (207, 123175), (225, 113321), (299, 85275), (325, 78453), (345, 73905), (379, 67275), (575, 44343), (585, 43585), (897, 28425), (975, 26151), (1035, 24635), (1137, 22425), (1495, 17055), (1725, 14781), (1895, 13455), (2691, 9475), (2925, 8717), (3411, 7475), (4485, 5685), (4927, 5175)]