64904505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1051}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 109071360

約数和(自身を除く): 44166855

約数列:

[1, 3, 5, 15, 23, 69, 115, 179, 345, 537, 895, 1051, 2685, 3153, 4117, 5255, 12351, 15765, 20585, 24173, 61755, 72519, 120865, 188129, 362595, 564387, 940645, 2821935, 4326967, 12980901, 21634835, 64904505]

約数ペア:

[(1, 64904505), (3, 21634835), (5, 12980901), (15, 4326967), (23, 2821935), (69, 940645), (115, 564387), (179, 362595), (345, 188129), (537, 120865), (895, 72519), (1051, 61755), (2685, 24173), (3153, 20585), (4117, 15765), (5255, 12351)]