40490991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8537}}^1$

素因数の和:8591

約数の個数: 24

約数和(自身を含む): 63932544

約数和(自身を除く): 23441553

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 8537, 25611, 76833, 145129, 264647, 435387, 793941, 1306161, 2381823, 4498999, 13496997, 40490991]

約数ペア:

[(1, 40490991), (3, 13496997), (9, 4498999), (17, 2381823), (31, 1306161), (51, 793941), (93, 435387), (153, 264647), (279, 145129), (527, 76833), (1581, 25611), (4743, 8537)]