81287334

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{11491}}^1$

素因数の和:11633

約数の個数: 32

約数和(自身を含む): 182033280

約数和(自身を除く): 100745946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 3537, 7074, 11491, 22982, 34473, 68946, 103419, 206838, 310257, 620514, 1505321, 3010642, 4515963, 9031926, 13547889, 27095778, 40643667, 81287334]

約数ペア:

[(1, 81287334), (2, 40643667), (3, 27095778), (6, 13547889), (9, 9031926), (18, 4515963), (27, 3010642), (54, 1505321), (131, 620514), (262, 310257), (393, 206838), (786, 103419), (1179, 68946), (2358, 34473), (3537, 22982), (7074, 11491)]