154287

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 266240

約数和(自身を除く): 111953

約数列:

[1, 3, 7, 9, 21, 31, 63, 79, 93, 217, 237, 279, 553, 651, 711, 1659, 1953, 2449, 4977, 7347, 17143, 22041, 51429, 154287]

約数ペア:

[(1, 154287), (3, 51429), (7, 22041), (9, 17143), (21, 7347), (31, 4977), (63, 2449), (79, 1953), (93, 1659), (217, 711), (237, 651), (279, 553)]