85840725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 149454720

約数和(自身を除く): 63613995

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 145, 183, 305, 435, 647, 725, 915, 1525, 1769, 1941, 2175, 3235, 4575, 5307, 8845, 9705, 16175, 18763, 26535, 39467, 44225, 48525, 56289, 93815, 118401, 132675, 197335, 281445, 469075, 592005, 986675, 1144543, 1407225, 2960025, 3433629, 5722715, 17168145, 28613575, 85840725]

約数ペア:

[(1, 85840725), (3, 28613575), (5, 17168145), (15, 5722715), (25, 3433629), (29, 2960025), (61, 1407225), (75, 1144543), (87, 986675), (145, 592005), (183, 469075), (305, 281445), (435, 197335), (647, 132675), (725, 118401), (915, 93815), (1525, 56289), (1769, 48525), (1941, 44225), (2175, 39467), (3235, 26535), (4575, 18763), (5307, 16175), (8845, 9705)]