7980741

素因数分解:

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

素因数の和:406

約数の個数: 32

約数和(自身を含む): 12748800

約数和(自身を除く): 4768059

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 331, 423, 513, 893, 993, 1269, 2679, 2979, 6289, 8037, 8937, 15557, 18867, 24111, 46671, 56601, 140013, 169803, 295583, 420039, 886749, 2660247, 7980741]

約数ペア:

[(1, 7980741), (3, 2660247), (9, 886749), (19, 420039), (27, 295583), (47, 169803), (57, 140013), (141, 56601), (171, 46671), (331, 24111), (423, 18867), (513, 15557), (893, 8937), (993, 8037), (1269, 6289), (2679, 2979)]