339901281

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{130681}}^1$

素因数の和:130721

約数の個数: 18

約数和(自身を含む): 521551862

約数和(自身を除く): 181650581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 130681, 392043, 1176129, 2221577, 6664731, 19994193, 37766809, 113300427, 339901281]

約数ペア:

[(1, 339901281), (3, 113300427), (9, 37766809), (17, 19994193), (51, 6664731), (153, 2221577), (289, 1176129), (867, 392043), (2601, 130681)]