86181291

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19267}}^1$

素因数の和:19351

約数の個数: 24

約数和(自身を含む): 144278784

約数和(自身を除く): 58097493

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 19267, 57801, 134869, 173403, 404607, 1213821, 1367957, 4103871, 9575699, 12311613, 28727097, 86181291]

約数ペア:

[(1, 86181291), (3, 28727097), (7, 12311613), (9, 9575699), (21, 4103871), (63, 1367957), (71, 1213821), (213, 404607), (497, 173403), (639, 134869), (1491, 57801), (4473, 19267)]