218115

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 391248

約数和(自身を除く): 173133

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 131, 185, 333, 393, 555, 655, 1179, 1665, 1965, 4847, 5895, 14541, 24235, 43623, 72705, 218115]

約数ペア:

[(1, 218115), (3, 72705), (5, 43623), (9, 24235), (15, 14541), (37, 5895), (45, 4847), (111, 1965), (131, 1665), (185, 1179), (333, 655), (393, 555)]