1276992015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{5381}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 2202572736

約数和(自身を除く): 925580721

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1217, 3651, 5381, 6085, 15821, 16143, 18255, 26905, 47463, 69953, 79105, 80715, 209859, 237315, 349765, 1049295, 6548677, 19646031, 32743385, 85132801, 98230155, 255398403, 425664005, 1276992015]

約数ペア:

[(1, 1276992015), (3, 425664005), (5, 255398403), (13, 98230155), (15, 85132801), (39, 32743385), (65, 19646031), (195, 6548677), (1217, 1049295), (3651, 349765), (5381, 237315), (6085, 209859), (15821, 80715), (16143, 79105), (18255, 69953), (26905, 47463)]