28503855

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13477}}^1$

素因数の和:13535

約数の個数: 24

約数和(自身を含む): 50461632

約数和(自身を除く): 21957777

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13477, 40431, 67385, 121293, 202155, 606465, 633419, 1900257, 3167095, 5700771, 9501285, 28503855]

約数ペア:

[(1, 28503855), (3, 9501285), (5, 5700771), (9, 3167095), (15, 1900257), (45, 633419), (47, 606465), (141, 202155), (235, 121293), (423, 67385), (705, 40431), (2115, 13477)]