3989421

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 6056960

約数和(自身を除く): 2067539

約数列:

[1, 3, 9, 31, 79, 93, 181, 237, 279, 543, 711, 1629, 2449, 5611, 7347, 14299, 16833, 22041, 42897, 50499, 128691, 443269, 1329807, 3989421]

約数ペア:

[(1, 3989421), (3, 1329807), (9, 443269), (31, 128691), (79, 50499), (93, 42897), (181, 22041), (237, 16833), (279, 14299), (543, 7347), (711, 5611), (1629, 2449)]