81519039

素因数分解:

$3^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{2153}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 134857632

約数和(自身を除く): 53338593

約数列:

[1, 3, 7, 9, 21, 63, 601, 1803, 2153, 4207, 5409, 6459, 12621, 15071, 19377, 37863, 45213, 135639, 1293953, 3881859, 9057671, 11645577, 27173013, 81519039]

約数ペア:

[(1, 81519039), (3, 27173013), (7, 11645577), (9, 9057671), (21, 3881859), (63, 1293953), (601, 135639), (1803, 45213), (2153, 37863), (4207, 19377), (5409, 15071), (6459, 12621)]