1328805

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 2535192

約数和(自身を除く): 1206387

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 193, 255, 405, 459, 579, 765, 965, 1377, 1737, 2295, 2895, 3281, 5211, 6885, 8685, 9843, 15633, 16405, 26055, 29529, 49215, 78165, 88587, 147645, 265761, 442935, 1328805]

約数ペア:

[(1, 1328805), (3, 442935), (5, 265761), (9, 147645), (15, 88587), (17, 78165), (27, 49215), (45, 29529), (51, 26055), (81, 16405), (85, 15633), (135, 9843), (153, 8685), (193, 6885), (255, 5211), (405, 3281), (459, 2895), (579, 2295), (765, 1737), (965, 1377)]