320535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 589680

約数和(自身を除く): 269145

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 419, 765, 1257, 2095, 3771, 6285, 7123, 18855, 21369, 35615, 64107, 106845, 320535]

約数ペア:

[(1, 320535), (3, 106845), (5, 64107), (9, 35615), (15, 21369), (17, 18855), (45, 7123), (51, 6285), (85, 3771), (153, 2095), (255, 1257), (419, 765)]