81121677

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1823}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 134012928

約数和(自身を除く): 52891251

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 1823, 2119, 3423, 5469, 6357, 12761, 14833, 23699, 38283, 44499, 71097, 165893, 297149, 497679, 891447, 2080043, 3862937, 6240129, 11588811, 27040559, 81121677]

約数ペア:

[(1, 81121677), (3, 27040559), (7, 11588811), (13, 6240129), (21, 3862937), (39, 2080043), (91, 891447), (163, 497679), (273, 297149), (489, 165893), (1141, 71097), (1823, 44499), (2119, 38283), (3423, 23699), (5469, 14833), (6357, 12761)]