15388821

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8423}}^1$

素因数の和:8465

約数の個数: 24

約数和(自身を含む): 26282880

約数和(自身を除く): 10894059

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 8423, 25269, 58961, 75807, 176883, 244267, 530649, 732801, 1709869, 2198403, 5129607, 15388821]

約数ペア:

[(1, 15388821), (3, 5129607), (7, 2198403), (9, 1709869), (21, 732801), (29, 530649), (63, 244267), (87, 176883), (203, 75807), (261, 58961), (609, 25269), (1827, 8423)]