1920647547

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{123427}}^1$

素因数の和:123472

約数の個数: 48

約数和(自身を含む): 3594223360

約数和(自身を除く): 1673575813

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 15561, 123427, 370281, 863989, 1110843, 1604551, 2345113, 2591967, 4813653, 7035339, 7775901, 11231857, 14440959, 16415791, 21106017, 30486469, 33695571, 49247373, 91459407, 101086713, 147742119, 213405283, 274378221, 640215849, 1920647547]

約数ペア:

[(1, 1920647547), (3, 640215849), (7, 274378221), (9, 213405283), (13, 147742119), (19, 101086713), (21, 91459407), (39, 49247373), (57, 33695571), (63, 30486469), (91, 21106017), (117, 16415791), (133, 14440959), (171, 11231857), (247, 7775901), (273, 7035339), (399, 4813653), (741, 2591967), (819, 2345113), (1197, 1604551), (1729, 1110843), (2223, 863989), (5187, 370281), (15561, 123427)]