1331577

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 2184000

約数和(自身を除く): 852423

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 599, 741, 1797, 2223, 5391, 7787, 11381, 23361, 34143, 70083, 102429, 147953, 443859, 1331577]

約数ペア:

[(1, 1331577), (3, 443859), (9, 147953), (13, 102429), (19, 70083), (39, 34143), (57, 23361), (117, 11381), (171, 7787), (247, 5391), (599, 2223), (741, 1797)]