208429809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2767}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 338006016

約数和(自身を除く): 129576207

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 357, 633, 1477, 2767, 3587, 4431, 8301, 10761, 19369, 25109, 47039, 58107, 75327, 141117, 329273, 583837, 987819, 1751511, 4086859, 9925229, 12260577, 29775687, 69476603, 208429809]

約数ペア:

[(1, 208429809), (3, 69476603), (7, 29775687), (17, 12260577), (21, 9925229), (51, 4086859), (119, 1751511), (211, 987819), (357, 583837), (633, 329273), (1477, 141117), (2767, 75327), (3587, 58107), (4431, 47039), (8301, 25109), (10761, 19369)]