3131289

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 5396352

約数和(自身を除く): 2265063

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 2161, 6483, 15127, 19449, 45381, 49703, 136143, 149109, 347921, 447327, 1043763, 3131289]

約数ペア:

[(1, 3131289), (3, 1043763), (7, 447327), (9, 347921), (21, 149109), (23, 136143), (63, 49703), (69, 45381), (161, 19449), (207, 15127), (483, 6483), (1449, 2161)]