66891015

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 128798208

約数和(自身を除く): 61907193

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 81, 115, 129, 135, 167, 207, 215, 345, 387, 405, 501, 621, 645, 835, 989, 1035, 1161, 1503, 1863, 1935, 2505, 2967, 3105, 3483, 3841, 4509, 4945, 5805, 7181, 7515, 8901, 9315, 11523, 13527, 14835, 17415, 19205, 21543, 22545, 26703, 34569, 35905, 44505, 57615, 64629, 67635, 80109, 103707, 107715, 133515, 165163, 172845, 193887, 311121, 323145, 400545, 495489, 518535, 581661, 825815, 969435, 1486467, 1555605, 2477445, 2908305, 4459401, 7432335, 13378203, 22297005, 66891015]

約数ペア:

[(1, 66891015), (3, 22297005), (5, 13378203), (9, 7432335), (15, 4459401), (23, 2908305), (27, 2477445), (43, 1555605), (45, 1486467), (69, 969435), (81, 825815), (115, 581661), (129, 518535), (135, 495489), (167, 400545), (207, 323145), (215, 311121), (345, 193887), (387, 172845), (405, 165163), (501, 133515), (621, 107715), (645, 103707), (835, 80109), (989, 67635), (1035, 64629), (1161, 57615), (1503, 44505), (1863, 35905), (1935, 34569), (2505, 26703), (2967, 22545), (3105, 21543), (3483, 19205), (3841, 17415), (4509, 14835), (4945, 13527), (5805, 11523), (7181, 9315), (7515, 8901)]