6690195

素因数分解:

$3^4\times 5^1\times {\mathrm{16519}}^1$

素因数の和:16536

約数の個数: 20

約数和(自身を含む): 11993520

約数和(自身を除く): 5303325

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 16519, 49557, 82595, 148671, 247785, 446013, 743355, 1338039, 2230065, 6690195]

約数ペア:

[(1, 6690195), (3, 2230065), (5, 1338039), (9, 743355), (15, 446013), (27, 247785), (45, 148671), (81, 82595), (135, 49557), (405, 16519)]