81405714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1043663}}^1$

素因数の和:1043681

約数の個数: 16

約数和(自身を含む): 175335552

約数和(自身を除く): 93929838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1043663, 2087326, 3130989, 6261978, 13567619, 27135238, 40702857, 81405714]

約数ペア:

[(1, 81405714), (2, 40702857), (3, 27135238), (6, 13567619), (13, 6261978), (26, 3130989), (39, 2087326), (78, 1043663)]