1217943

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 16

約数和(自身を含む): 1830400

約数和(自身を除く): 612457

約数列:

[1, 3, 9, 27, 79, 237, 571, 711, 1713, 2133, 5139, 15417, 45109, 135327, 405981, 1217943]

約数ペア:

[(1, 1217943), (3, 405981), (9, 135327), (27, 45109), (79, 15417), (237, 5139), (571, 2133), (711, 1713)]