389619951

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 601344000

約数和(自身を除く): 211724049

約数列:

[1, 3, 7, 21, 149, 239, 447, 521, 717, 1043, 1563, 1673, 3129, 3647, 5019, 10941, 35611, 77629, 106833, 124519, 232887, 249277, 373557, 543403, 747831, 871633, 1630209, 2614899, 18553331, 55659993, 129873317, 389619951]

約数ペア:

[(1, 389619951), (3, 129873317), (7, 55659993), (21, 18553331), (149, 2614899), (239, 1630209), (447, 871633), (521, 747831), (717, 543403), (1043, 373557), (1563, 249277), (1673, 232887), (3129, 124519), (3647, 106833), (5019, 77629), (10941, 35611)]