320472015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1256753}}^1$

素因数の和:1256778

約数の個数: 16

約数和(自身を含む): 542917728

約数和(自身を除く): 222445713

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1256753, 3770259, 6283765, 18851295, 21364801, 64094403, 106824005, 320472015]

約数ペア:

[(1, 320472015), (3, 106824005), (5, 64094403), (15, 21364801), (17, 18851295), (51, 6283765), (85, 3770259), (255, 1256753)]