1212215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 336073

約数列:

[1, 5, 23, 83, 115, 127, 415, 635, 1909, 2921, 9545, 10541, 14605, 52705, 242443, 1212215]

約数ペア:

[(1, 1212215), (5, 242443), (23, 52705), (83, 14605), (115, 10541), (127, 9545), (415, 2921), (635, 1909)]