31018977

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 19853343

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1471, 1917, 2343, 4413, 7029, 13239, 16181, 21087, 39717, 48543, 104441, 145629, 313323, 436887, 939969, 1148851, 2819907, 3446553, 10339659, 31018977]

約数ペア:

[(1, 31018977), (3, 10339659), (9, 3446553), (11, 2819907), (27, 1148851), (33, 939969), (71, 436887), (99, 313323), (213, 145629), (297, 104441), (639, 48543), (781, 39717), (1471, 21087), (1917, 16181), (2343, 13239), (4413, 7029)]