201339945

素因数分解:

$3^3\times 5^1\times {\mathrm{1491407}}^1$

素因数の和:1491421

約数の個数: 16

約数和(自身を含む): 357937920

約数和(自身を除く): 156597975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1491407, 4474221, 7457035, 13422663, 22371105, 40267989, 67113315, 201339945]

約数ペア:

[(1, 201339945), (3, 67113315), (5, 40267989), (9, 22371105), (15, 13422663), (27, 7457035), (45, 4474221), (135, 1491407)]