64894845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 109216512

約数和(自身を除く): 44321667

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 411, 685, 1373, 2055, 3151, 4119, 6865, 9453, 15755, 20595, 31579, 47265, 94737, 157895, 188101, 473685, 564303, 940505, 2821515, 4326323, 12978969, 21631615, 64894845]

約数ペア:

[(1, 64894845), (3, 21631615), (5, 12978969), (15, 4326323), (23, 2821515), (69, 940505), (115, 564303), (137, 473685), (345, 188101), (411, 157895), (685, 94737), (1373, 47265), (2055, 31579), (3151, 20595), (4119, 15755), (6865, 9453)]