206545143

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73951}}^1$

素因数の和:73987

約数の個数: 24

約数和(自身を含む): 337221120

約数和(自身を除く): 130675977

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 73951, 221853, 517657, 1405069, 1552971, 3623599, 4215207, 9835483, 10870797, 29506449, 68848381, 206545143]

約数ペア:

[(1, 206545143), (3, 68848381), (7, 29506449), (19, 10870797), (21, 9835483), (49, 4215207), (57, 3623599), (133, 1552971), (147, 1405069), (399, 517657), (931, 221853), (2793, 73951)]