13980291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 7308669

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 263, 377, 611, 789, 1131, 1363, 1833, 3419, 4089, 7627, 10257, 12361, 17719, 22881, 37083, 53157, 99151, 160693, 297453, 358469, 482079, 1075407, 4660097, 13980291]

約数ペア:

[(1, 13980291), (3, 4660097), (13, 1075407), (29, 482079), (39, 358469), (47, 297453), (87, 160693), (141, 99151), (263, 53157), (377, 37083), (611, 22881), (789, 17719), (1131, 12361), (1363, 10257), (1833, 7627), (3419, 4089)]