55178331

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 81550656

約数和(自身を除く): 26372325

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1677, 2531, 7267, 7593, 21801, 32903, 98709, 108833, 326499, 427739, 1283217, 1414829, 4244487, 18392777, 55178331]

約数ペア:

[(1, 55178331), (3, 18392777), (13, 4244487), (39, 1414829), (43, 1283217), (129, 427739), (169, 326499), (507, 108833), (559, 98709), (1677, 32903), (2531, 21801), (7267, 7593)]