660195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 1213056

約数和(自身を除く): 552861

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 863, 2589, 4315, 7767, 12945, 14671, 38835, 44013, 73355, 132039, 220065, 660195]

約数ペア:

[(1, 660195), (3, 220065), (5, 132039), (9, 73355), (15, 44013), (17, 38835), (45, 14671), (51, 12945), (85, 7767), (153, 4315), (255, 2589), (765, 863)]