81007479

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8087}}^1$

素因数の和:8156

約数の個数: 32

約数和(自身を含む): 139760640

約数和(自身を除く): 58753161

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 8087, 10017, 24261, 56609, 72783, 169827, 218349, 428611, 509481, 1285833, 1528443, 3000277, 3857499, 9000831, 11572497, 27002493, 81007479]

約数ペア:

[(1, 81007479), (3, 27002493), (7, 11572497), (9, 9000831), (21, 3857499), (27, 3000277), (53, 1528443), (63, 1285833), (159, 509481), (189, 428611), (371, 218349), (477, 169827), (1113, 72783), (1431, 56609), (3339, 24261), (8087, 10017)]