553640307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 825237504

約数和(自身を除く): 271597197

約数列:

[1, 3, 11, 33, 47, 141, 491, 517, 727, 1473, 1551, 2181, 5401, 7997, 16203, 23077, 23991, 34169, 69231, 102507, 253847, 356957, 375859, 761541, 1070871, 1127577, 3926527, 11779581, 16776979, 50330937, 184546769, 553640307]

約数ペア:

[(1, 553640307), (3, 184546769), (11, 50330937), (33, 16776979), (47, 11779581), (141, 3926527), (491, 1127577), (517, 1070871), (727, 761541), (1473, 375859), (1551, 356957), (2181, 253847), (5401, 102507), (7997, 69231), (16203, 34169), (23077, 23991)]