17975009

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 20800512

約数和(自身を除く): 2825503

約数列:

[1, 13, 31, 47, 73, 169, 403, 611, 949, 1457, 2263, 3431, 5239, 7943, 12337, 18941, 29419, 44603, 106361, 246233, 382447, 579839, 1382693, 17975009]

約数ペア:

[(1, 17975009), (13, 1382693), (31, 579839), (47, 382447), (73, 246233), (169, 106361), (403, 44603), (611, 29419), (949, 18941), (1457, 12337), (2263, 7943), (3431, 5239)]