2478021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 4220160

約数和(自身を除く): 1742139

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 313, 377, 609, 939, 1131, 2191, 2639, 4069, 6573, 7917, 9077, 12207, 27231, 28483, 63539, 85449, 118001, 190617, 354003, 826007, 2478021]

約数ペア:

[(1, 2478021), (3, 826007), (7, 354003), (13, 190617), (21, 118001), (29, 85449), (39, 63539), (87, 28483), (91, 27231), (203, 12207), (273, 9077), (313, 7917), (377, 6573), (609, 4069), (939, 2639), (1131, 2191)]