64157265

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 115855080

約数和(自身を除く): 51697815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 405, 471, 785, 1009, 1413, 2355, 3027, 4239, 5045, 7065, 9081, 12717, 15135, 21195, 27243, 45405, 63585, 81729, 136215, 158413, 408645, 475239, 792065, 1425717, 2376195, 4277151, 7128585, 12831453, 21385755, 64157265]

約数ペア:

[(1, 64157265), (3, 21385755), (5, 12831453), (9, 7128585), (15, 4277151), (27, 2376195), (45, 1425717), (81, 792065), (135, 475239), (157, 408645), (405, 158413), (471, 136215), (785, 81729), (1009, 63585), (1413, 45405), (2355, 27243), (3027, 21195), (4239, 15135), (5045, 12717), (7065, 9081)]