4151865

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 7007616

約数和(自身を除く): 2855751

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 157, 205, 215, 471, 615, 645, 785, 1763, 2355, 5289, 6437, 6751, 8815, 19311, 20253, 26445, 32185, 33755, 96555, 101265, 276791, 830373, 1383955, 4151865]

約数ペア:

[(1, 4151865), (3, 1383955), (5, 830373), (15, 276791), (41, 101265), (43, 96555), (123, 33755), (129, 32185), (157, 26445), (205, 20253), (215, 19311), (471, 8815), (615, 6751), (645, 6437), (785, 5289), (1763, 2355)]