2155890243

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{69709}}^1$

素因数の和:69799

約数の個数: 24

約数和(自身を含む): 3163718640

約数和(自身を除く): 1007828397

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 793, 2379, 10309, 30927, 69709, 209127, 906217, 2718651, 4252249, 11780821, 12756747, 35342463, 55279237, 165837711, 718630081, 2155890243]

約数ペア:

[(1, 2155890243), (3, 718630081), (13, 165837711), (39, 55279237), (61, 35342463), (169, 12756747), (183, 11780821), (507, 4252249), (793, 2718651), (2379, 906217), (10309, 209127), (30927, 69709)]