251035575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 489218688

約数和(自身を除く): 238183113

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 83, 105, 147, 175, 245, 249, 415, 525, 581, 735, 823, 1225, 1245, 1743, 2075, 2469, 2905, 3675, 4067, 4115, 5761, 6225, 8715, 12201, 12345, 14525, 17283, 20335, 20575, 28805, 40327, 43575, 61005, 61725, 68309, 86415, 101675, 120981, 144025, 201635, 204927, 305025, 341545, 432075, 478163, 604905, 1008175, 1024635, 1434489, 1707725, 2390815, 3024525, 3347141, 5123175, 7172445, 10041423, 11954075, 16735705, 35862225, 50207115, 83678525, 251035575]

約数ペア:

[(1, 251035575), (3, 83678525), (5, 50207115), (7, 35862225), (15, 16735705), (21, 11954075), (25, 10041423), (35, 7172445), (49, 5123175), (75, 3347141), (83, 3024525), (105, 2390815), (147, 1707725), (175, 1434489), (245, 1024635), (249, 1008175), (415, 604905), (525, 478163), (581, 432075), (735, 341545), (823, 305025), (1225, 204927), (1245, 201635), (1743, 144025), (2075, 120981), (2469, 101675), (2905, 86415), (3675, 68309), (4067, 61725), (4115, 61005), (5761, 43575), (6225, 40327), (8715, 28805), (12201, 20575), (12345, 20335), (14525, 17283)]