12855213

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 23051520

約数和(自身を除く): 10196307

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 4001, 12003, 28007, 36009, 68017, 84021, 108027, 204051, 252063, 476119, 612153, 756189, 1428357, 1836459, 4285071, 12855213]

約数ペア:

[(1, 12855213), (3, 4285071), (7, 1836459), (9, 1428357), (17, 756189), (21, 612153), (27, 476119), (51, 252063), (63, 204051), (119, 108027), (153, 84021), (189, 68017), (357, 36009), (459, 28007), (1071, 12003), (3213, 4001)]