7920393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 12096000

約数和(自身を除く): 4175607

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 149, 377, 447, 611, 1131, 1363, 1833, 1937, 4089, 4321, 5811, 7003, 12963, 17719, 21009, 53157, 56173, 91039, 168519, 203087, 273117, 609261, 2640131, 7920393]

約数ペア:

[(1, 7920393), (3, 2640131), (13, 609261), (29, 273117), (39, 203087), (47, 168519), (87, 91039), (141, 56173), (149, 53157), (377, 21009), (447, 17719), (611, 12963), (1131, 7003), (1363, 5811), (1833, 4321), (1937, 4089)]