25559325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 52228800

約数和(自身を除く): 26669475

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 345, 449, 495, 575, 759, 825, 1035, 1265, 1347, 1725, 2245, 2277, 2475, 3795, 4041, 4939, 5175, 6325, 6735, 10327, 11225, 11385, 14817, 18975, 20205, 24695, 30981, 33675, 44451, 51635, 56925, 74085, 92943, 101025, 113597, 123475, 154905, 222255, 258175, 340791, 370425, 464715, 567985, 774525, 1022373, 1111275, 1703955, 2323575, 2839925, 5111865, 8519775, 25559325]

約数ペア:

[(1, 25559325), (3, 8519775), (5, 5111865), (9, 2839925), (11, 2323575), (15, 1703955), (23, 1111275), (25, 1022373), (33, 774525), (45, 567985), (55, 464715), (69, 370425), (75, 340791), (99, 258175), (115, 222255), (165, 154905), (207, 123475), (225, 113597), (253, 101025), (275, 92943), (345, 74085), (449, 56925), (495, 51635), (575, 44451), (759, 33675), (825, 30981), (1035, 24695), (1265, 20205), (1347, 18975), (1725, 14817), (2245, 11385), (2277, 11225), (2475, 10327), (3795, 6735), (4041, 6325), (4939, 5175)]