249492321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 401873472

約数和(自身を除く): 152381151

約数列:

[1, 3, 9, 13, 39, 43, 101, 117, 129, 303, 387, 491, 559, 909, 1313, 1473, 1677, 3939, 4343, 4419, 5031, 6383, 11817, 13029, 19149, 21113, 39087, 49591, 56459, 57447, 63339, 148773, 169377, 190017, 274469, 446319, 508131, 644683, 823407, 1934049, 2132413, 2470221, 5802147, 6397239, 19191717, 27721369, 83164107, 249492321]

約数ペア:

[(1, 249492321), (3, 83164107), (9, 27721369), (13, 19191717), (39, 6397239), (43, 5802147), (101, 2470221), (117, 2132413), (129, 1934049), (303, 823407), (387, 644683), (491, 508131), (559, 446319), (909, 274469), (1313, 190017), (1473, 169377), (1677, 148773), (3939, 63339), (4343, 57447), (4419, 56459), (5031, 49591), (6383, 39087), (11817, 21113), (13029, 19149)]