68904165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 130867200

約数和(自身を除く): 61963035

約数列:

[1, 3, 5, 11, 15, 19, 31, 33, 55, 57, 93, 95, 155, 165, 209, 285, 341, 465, 589, 627, 709, 1023, 1045, 1705, 1767, 2127, 2945, 3135, 3545, 5115, 6479, 7799, 8835, 10635, 13471, 19437, 21979, 23397, 32395, 38995, 40413, 65937, 67355, 97185, 109895, 116985, 148181, 202065, 241769, 329685, 417601, 444543, 725307, 740905, 1208845, 1252803, 2088005, 2222715, 3626535, 4593611, 6264015, 13780833, 22968055, 68904165]

約数ペア:

[(1, 68904165), (3, 22968055), (5, 13780833), (11, 6264015), (15, 4593611), (19, 3626535), (31, 2222715), (33, 2088005), (55, 1252803), (57, 1208845), (93, 740905), (95, 725307), (155, 444543), (165, 417601), (209, 329685), (285, 241769), (341, 202065), (465, 148181), (589, 116985), (627, 109895), (709, 97185), (1023, 67355), (1045, 65937), (1705, 40413), (1767, 38995), (2127, 32395), (2945, 23397), (3135, 21979), (3545, 19437), (5115, 13471), (6479, 10635), (7799, 8835)]