72147573

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:5009

約数の個数: 24

約数和(自身を含む): 110298240

約数和(自身を除く): 38150667

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 4909, 14697, 14727, 44181, 112907, 338721, 348539, 1016163, 1045617, 3136851, 8016397, 24049191, 72147573]

約数ペア:

[(1, 72147573), (3, 24049191), (9, 8016397), (23, 3136851), (69, 1045617), (71, 1016163), (207, 348539), (213, 338721), (639, 112907), (1633, 44181), (4899, 14727), (4909, 14697)]