131286879

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 200491200

約数和(自身を除く): 69204321

約数列:

[1, 3, 9, 27, 41, 123, 233, 369, 509, 699, 1107, 1527, 2097, 4581, 6291, 9553, 13743, 20869, 28659, 62607, 85977, 118597, 187821, 257931, 355791, 563463, 1067373, 3202119, 4862477, 14587431, 43762293, 131286879]

約数ペア:

[(1, 131286879), (3, 43762293), (9, 14587431), (27, 4862477), (41, 3202119), (123, 1067373), (233, 563463), (369, 355791), (509, 257931), (699, 187821), (1107, 118597), (1527, 85977), (2097, 62607), (4581, 28659), (6291, 20869), (9553, 13743)]