78898275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20627}}^1$

素因数の和:20660

約数の個数: 36

約数和(自身を含む): 149635512

約数和(自身を除く): 70737237

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 20627, 61881, 103135, 185643, 309405, 350659, 515675, 928215, 1051977, 1547025, 1753295, 3155931, 4641075, 5259885, 8766475, 15779655, 26299425, 78898275]

約数ペア:

[(1, 78898275), (3, 26299425), (5, 15779655), (9, 8766475), (15, 5259885), (17, 4641075), (25, 3155931), (45, 1753295), (51, 1547025), (75, 1051977), (85, 928215), (153, 515675), (225, 350659), (255, 309405), (425, 185643), (765, 103135), (1275, 61881), (3825, 20627)]