28727097

素因数分解:

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

素因数の和:19348

約数の個数: 16

約数和(自身を含む): 44393472

約数和(自身を除く): 15666375

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19267, 57801, 134869, 404607, 1367957, 4103871, 9575699, 28727097]

約数ペア:

[(1, 28727097), (3, 9575699), (7, 4103871), (21, 1367957), (71, 404607), (213, 134869), (497, 57801), (1491, 19267)]