489314889

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 826076160

約数和(自身を除く): 336761271

約数列:

[1, 3, 7, 9, 21, 63, 71, 139, 213, 417, 497, 639, 787, 973, 1251, 1491, 2361, 2919, 4473, 5509, 7083, 8757, 9869, 16527, 29607, 49581, 55877, 69083, 88821, 109393, 167631, 207249, 328179, 391139, 502893, 621747, 765751, 984537, 1173417, 2297253, 3520251, 6891759, 7766903, 23300709, 54368321, 69902127, 163104963, 489314889]

約数ペア:

[(1, 489314889), (3, 163104963), (7, 69902127), (9, 54368321), (21, 23300709), (63, 7766903), (71, 6891759), (139, 3520251), (213, 2297253), (417, 1173417), (497, 984537), (639, 765751), (787, 621747), (973, 502893), (1251, 391139), (1491, 328179), (2361, 207249), (2919, 167631), (4473, 109393), (5509, 88821), (7083, 69083), (8757, 55877), (9869, 49581), (16527, 29607)]