13281237

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 19987968

約数和(自身を除く): 6706731

約数列:

[1, 3, 9, 31, 93, 181, 263, 279, 543, 789, 1629, 2367, 5611, 8153, 16833, 24459, 47603, 50499, 73377, 142809, 428427, 1475693, 4427079, 13281237]

約数ペア:

[(1, 13281237), (3, 4427079), (9, 1475693), (31, 428427), (93, 142809), (181, 73377), (263, 50499), (279, 47603), (543, 24459), (789, 16833), (1629, 8153), (2367, 5611)]