16809225

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 28152960

約数和(自身を除く): 11343735

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 2837, 5925, 8511, 14185, 42555, 70925, 212775, 224123, 672369, 1120615, 3361845, 5603075, 16809225]

約数ペア:

[(1, 16809225), (3, 5603075), (5, 3361845), (15, 1120615), (25, 672369), (75, 224123), (79, 212775), (237, 70925), (395, 42555), (1185, 14185), (1975, 8511), (2837, 5925)]