208020105

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 374282064

約数和(自身を除く): 166261959

約数列:

[1, 3, 5, 9, 15, 37, 45, 101, 111, 185, 303, 333, 505, 555, 909, 1237, 1515, 1665, 3711, 3737, 4545, 6185, 11133, 11211, 18555, 18685, 33633, 45769, 55665, 56055, 124937, 137307, 168165, 228845, 374811, 411921, 624685, 686535, 1124433, 1874055, 2059605, 4622669, 5622165, 13868007, 23113345, 41604021, 69340035, 208020105]

約数ペア:

[(1, 208020105), (3, 69340035), (5, 41604021), (9, 23113345), (15, 13868007), (37, 5622165), (45, 4622669), (101, 2059605), (111, 1874055), (185, 1124433), (303, 686535), (333, 624685), (505, 411921), (555, 374811), (909, 228845), (1237, 168165), (1515, 137307), (1665, 124937), (3711, 56055), (3737, 55665), (4545, 45769), (6185, 33633), (11133, 18685), (11211, 18555)]