8139999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 13639680

約数和(自身を除く): 5499681

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 887, 1311, 2661, 3059, 6209, 9177, 16853, 18627, 20401, 50559, 61203, 117971, 142807, 353913, 387619, 428421, 1162857, 2713333, 8139999]

約数ペア:

[(1, 8139999), (3, 2713333), (7, 1162857), (19, 428421), (21, 387619), (23, 353913), (57, 142807), (69, 117971), (133, 61203), (161, 50559), (399, 20401), (437, 18627), (483, 16853), (887, 9177), (1311, 6209), (2661, 3059)]