81889011

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 126817600

約数和(自身を除く): 44928589

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 349, 841, 899, 1047, 2523, 2697, 3141, 7569, 8091, 10121, 10819, 26071, 30363, 32457, 78213, 91089, 97371, 234639, 293509, 313751, 880527, 941253, 2641581, 2823759, 9098779, 27296337, 81889011]

約数ペア:

[(1, 81889011), (3, 27296337), (9, 9098779), (29, 2823759), (31, 2641581), (87, 941253), (93, 880527), (261, 313751), (279, 293509), (349, 234639), (841, 97371), (899, 91089), (1047, 78213), (2523, 32457), (2697, 30363), (3141, 26071), (7569, 10819), (8091, 10121)]