289425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 508896

約数和(自身を除く): 219471

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 227, 255, 425, 681, 1135, 1275, 3405, 3859, 5675, 11577, 17025, 19295, 57885, 96475, 289425]

約数ペア:

[(1, 289425), (3, 96475), (5, 57885), (15, 19295), (17, 17025), (25, 11577), (51, 5675), (75, 3859), (85, 3405), (227, 1275), (255, 1135), (425, 681)]