81113565561

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17799773}}^1$

素因数の和:17799821

約数の個数: 24

約数和(自身を含む): 129867151104

約数和(自身を除く): 48753585543

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 17799773, 53399319, 124598411, 373795233, 551792963, 872188877, 1655378889, 2616566631, 3862550741, 11587652223, 27037855187, 81113565561]

約数ペア:

[(1, 81113565561), (3, 27037855187), (7, 11587652223), (21, 3862550741), (31, 2616566631), (49, 1655378889), (93, 872188877), (147, 551792963), (217, 373795233), (651, 124598411), (1519, 53399319), (4557, 17799773)]