81135237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^2$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 119980224

約数和(自身を除く): 38844987

約数列:

[1, 3, 17, 23, 51, 69, 263, 391, 789, 1173, 4471, 6049, 13413, 18147, 69169, 102833, 207507, 308499, 1175873, 1590887, 3527619, 4772661, 27045079, 81135237]

約数ペア:

[(1, 81135237), (3, 27045079), (17, 4772661), (23, 3527619), (51, 1590887), (69, 1175873), (263, 308499), (391, 207507), (789, 102833), (1173, 69169), (4471, 18147), (6049, 13413)]