2553993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 4036032

約数和(自身を除く): 1482039

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 263, 747, 789, 1079, 2367, 3237, 3419, 9711, 10257, 21829, 30771, 65487, 196461, 283777, 851331, 2553993]

約数ペア:

[(1, 2553993), (3, 851331), (9, 283777), (13, 196461), (39, 65487), (83, 30771), (117, 21829), (249, 10257), (263, 9711), (747, 3419), (789, 3237), (1079, 2367)]