2660247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 4143360

約数和(自身を除く): 1483113

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 331, 423, 893, 993, 2679, 2979, 6289, 8037, 15557, 18867, 46671, 56601, 140013, 295583, 886749, 2660247]

約数ペア:

[(1, 2660247), (3, 886749), (9, 295583), (19, 140013), (47, 56601), (57, 46671), (141, 18867), (171, 15557), (331, 8037), (423, 6289), (893, 2979), (993, 2679)]