28804185

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13619}}^1$

素因数の和:13677

約数の個数: 24

約数和(自身を含む): 50993280

約数和(自身を除く): 22189095

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13619, 40857, 68095, 122571, 204285, 612855, 640093, 1920279, 3200465, 5760837, 9601395, 28804185]

約数ペア:

[(1, 28804185), (3, 9601395), (5, 5760837), (9, 3200465), (15, 1920279), (45, 640093), (47, 612855), (141, 204285), (235, 122571), (423, 68095), (705, 40857), (2115, 13619)]