28245075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22153}}^1$

素因数の和:22183

約数の個数: 24

約数和(自身を含む): 49447728

約数和(自身を除く): 21202653

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22153, 66459, 110765, 332295, 376601, 553825, 1129803, 1661475, 1883005, 5649015, 9415025, 28245075]

約数ペア:

[(1, 28245075), (3, 9415025), (5, 5649015), (15, 1883005), (17, 1661475), (25, 1129803), (51, 553825), (75, 376601), (85, 332295), (255, 110765), (425, 66459), (1275, 22153)]