64657485

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 53278515

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 179, 207, 345, 349, 537, 895, 1035, 1047, 1611, 1745, 2685, 3141, 4117, 5235, 8027, 8055, 12351, 15705, 20585, 24081, 37053, 40135, 61755, 62471, 72243, 120405, 185265, 187413, 312355, 361215, 562239, 937065, 1436833, 2811195, 4310499, 7184165, 12931497, 21552495, 64657485]

約数ペア:

[(1, 64657485), (3, 21552495), (5, 12931497), (9, 7184165), (15, 4310499), (23, 2811195), (45, 1436833), (69, 937065), (115, 562239), (179, 361215), (207, 312355), (345, 187413), (349, 185265), (537, 120405), (895, 72243), (1035, 62471), (1047, 61755), (1611, 40135), (1745, 37053), (2685, 24081), (3141, 20585), (4117, 15705), (5235, 12351), (8027, 8055)]