215465745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{1489}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 376767360

約数和(自身を除く): 161301615

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 877, 1489, 2631, 4385, 4467, 7445, 9647, 13155, 16379, 22335, 28941, 48235, 49137, 81895, 144705, 245685, 1305853, 3917559, 6529265, 14364383, 19587795, 43093149, 71821915, 215465745]

約数ペア:

[(1, 215465745), (3, 71821915), (5, 43093149), (11, 19587795), (15, 14364383), (33, 6529265), (55, 3917559), (165, 1305853), (877, 245685), (1489, 144705), (2631, 81895), (4385, 49137), (4467, 48235), (7445, 28941), (9647, 22335), (13155, 16379)]