28941225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22699}}^1$

素因数の和:22729

約数の個数: 24

約数和(自身を含む): 50666400

約数和(自身を除く): 21725175

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22699, 68097, 113495, 340485, 385883, 567475, 1157649, 1702425, 1929415, 5788245, 9647075, 28941225]

約数ペア:

[(1, 28941225), (3, 9647075), (5, 5788245), (15, 1929415), (17, 1702425), (25, 1157649), (51, 567475), (75, 385883), (85, 340485), (255, 113495), (425, 68097), (1275, 22699)]