251018991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{14519}}^1$

素因数の和:14655

約数の個数: 24

約数和(自身を含む): 387335520

約数和(自身を除く): 136316529

約数列:

[1, 3, 9, 17, 51, 113, 153, 339, 1017, 1921, 5763, 14519, 17289, 43557, 130671, 246823, 740469, 1640647, 2221407, 4921941, 14765823, 27890999, 83672997, 251018991]

約数ペア:

[(1, 251018991), (3, 83672997), (9, 27890999), (17, 14765823), (51, 4921941), (113, 2221407), (153, 1640647), (339, 740469), (1017, 246823), (1921, 130671), (5763, 43557), (14519, 17289)]