12639645

素因数分解:

$3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 23167872

約数和(自身を除く): 10528227

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 103, 135, 243, 303, 309, 405, 505, 515, 909, 927, 1215, 1515, 1545, 2727, 2781, 4545, 4635, 8181, 8343, 10403, 13635, 13905, 24543, 25029, 31209, 40905, 41715, 52015, 93627, 122715, 125145, 156045, 280881, 468135, 842643, 1404405, 2527929, 4213215, 12639645]

約数ペア:

[(1, 12639645), (3, 4213215), (5, 2527929), (9, 1404405), (15, 842643), (27, 468135), (45, 280881), (81, 156045), (101, 125145), (103, 122715), (135, 93627), (243, 52015), (303, 41715), (309, 40905), (405, 31209), (505, 25029), (515, 24543), (909, 13905), (927, 13635), (1215, 10403), (1515, 8343), (1545, 8181), (2727, 4635), (2781, 4545)]