81011847

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4877}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 126788976

約数和(自身を除く): 45777129

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 4877, 5537, 14631, 16611, 34139, 102417, 238973, 551101, 716919, 1653303, 3857707, 11573121, 27003949, 81011847]

約数ペア:

[(1, 81011847), (3, 27003949), (7, 11573121), (21, 3857707), (49, 1653303), (113, 716919), (147, 551101), (339, 238973), (791, 102417), (2373, 34139), (4877, 16611), (5537, 14631)]