81017025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{26347}}^1$

素因数の和:26401

約数の個数: 24

約数和(自身を含む): 137220384

約数和(自身を除く): 56203359

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 26347, 79041, 131735, 395205, 658675, 1080227, 1976025, 3240681, 5401135, 16203405, 27005675, 81017025]

約数ペア:

[(1, 81017025), (3, 27005675), (5, 16203405), (15, 5401135), (25, 3240681), (41, 1976025), (75, 1080227), (123, 658675), (205, 395205), (615, 131735), (1025, 79041), (3075, 26347)]