16995781

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 20224512

約数和(自身を除く): 3228731

約数列:

[1, 11, 23, 31, 121, 197, 253, 341, 713, 2167, 2783, 3751, 4531, 6107, 7843, 23837, 49841, 67177, 86273, 140461, 548251, 738947, 1545071, 16995781]

約数ペア:

[(1, 16995781), (11, 1545071), (23, 738947), (31, 548251), (121, 140461), (197, 86273), (253, 67177), (341, 49841), (713, 23837), (2167, 7843), (2783, 6107), (3751, 4531)]