81780666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{39971}}^1$

素因数の和:40018

約数の個数: 32

約数和(自身を含む): 184190976

約数和(自身を除く): 102410310

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 39971, 79942, 119913, 239826, 439681, 879362, 1239101, 1319043, 2478202, 2638086, 3717303, 7434606, 13630111, 27260222, 40890333, 81780666]

約数ペア:

[(1, 81780666), (2, 40890333), (3, 27260222), (6, 13630111), (11, 7434606), (22, 3717303), (31, 2638086), (33, 2478202), (62, 1319043), (66, 1239101), (93, 879362), (186, 439681), (341, 239826), (682, 119913), (1023, 79942), (2046, 39971)]