399108165

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{68399}}^1$

素因数の和:68796

約数の個数: 16

約数和(自身を含む): 640224000

約数和(自身を除く): 241115835

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 5835, 68399, 205197, 341995, 1025985, 26607211, 79821633, 133036055, 399108165]

約数ペア:

[(1, 399108165), (3, 133036055), (5, 79821633), (15, 26607211), (389, 1025985), (1167, 341995), (1945, 205197), (5835, 68399)]