251015787

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2753}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 407151360

約数和(自身を除く): 156135573

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 307, 921, 2753, 2763, 3377, 8259, 8289, 10131, 24777, 30283, 30393, 74331, 90849, 91179, 272547, 817641, 845171, 2535513, 7606539, 9296881, 22819617, 27890643, 83671929, 251015787]

約数ペア:

[(1, 251015787), (3, 83671929), (9, 27890643), (11, 22819617), (27, 9296881), (33, 7606539), (99, 2535513), (297, 845171), (307, 817641), (921, 272547), (2753, 91179), (2763, 90849), (3377, 74331), (8259, 30393), (8289, 30283), (10131, 24777)]