81485406

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{11519}}^1$

素因数の和:11661

約数の個数: 32

約数和(自身を含む): 182476800

約数和(自身を除く): 100991394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 3537, 7074, 11519, 23038, 34557, 69114, 103671, 207342, 311013, 622026, 1508989, 3017978, 4526967, 9053934, 13580901, 27161802, 40742703, 81485406]

約数ペア:

[(1, 81485406), (2, 40742703), (3, 27161802), (6, 13580901), (9, 9053934), (18, 4526967), (27, 3017978), (54, 1508989), (131, 622026), (262, 311013), (393, 207342), (786, 103671), (1179, 69114), (2358, 34557), (3537, 23038), (7074, 11519)]