6720609

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 10373120

約数和(自身を除く): 3652511

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 4051, 12153, 28357, 85071, 320029, 960087, 2240203, 6720609]

約数ペア:

[(1, 6720609), (3, 2240203), (7, 960087), (21, 320029), (79, 85071), (237, 28357), (553, 12153), (1659, 4051)]