209630925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 432222336

約数和(自身を除く): 222591411

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 167, 175, 225, 315, 501, 525, 797, 835, 1169, 1503, 1575, 2391, 2505, 3507, 3985, 4175, 5579, 5845, 7173, 7515, 10521, 11955, 12525, 16737, 17535, 19925, 27895, 29225, 35865, 37575, 50211, 52605, 59775, 83685, 87675, 133099, 139475, 179325, 251055, 263025, 399297, 418425, 665495, 931693, 1197891, 1255275, 1996485, 2795079, 3327475, 4658465, 5989455, 8385237, 9982425, 13975395, 23292325, 29947275, 41926185, 69876975, 209630925]

約数ペア:

[(1, 209630925), (3, 69876975), (5, 41926185), (7, 29947275), (9, 23292325), (15, 13975395), (21, 9982425), (25, 8385237), (35, 5989455), (45, 4658465), (63, 3327475), (75, 2795079), (105, 1996485), (167, 1255275), (175, 1197891), (225, 931693), (315, 665495), (501, 418425), (525, 399297), (797, 263025), (835, 251055), (1169, 179325), (1503, 139475), (1575, 133099), (2391, 87675), (2505, 83685), (3507, 59775), (3985, 52605), (4175, 50211), (5579, 37575), (5845, 35865), (7173, 29225), (7515, 27895), (10521, 19925), (11955, 17535), (12525, 16737)]