3969609

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 6076800

約数和(自身を除く): 2107191

約数列:

[1, 3, 7, 21, 421, 449, 1263, 1347, 2947, 3143, 8841, 9429, 189029, 567087, 1323203, 3969609]

約数ペア:

[(1, 3969609), (3, 1323203), (7, 567087), (21, 189029), (421, 9429), (449, 8841), (1263, 3143), (1347, 2947)]