23181515

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 33133056

約数和(自身を除く): 9951541

約数列:

[1, 5, 7, 35, 43, 73, 211, 215, 301, 365, 511, 1055, 1477, 1505, 2555, 3139, 7385, 9073, 15403, 15695, 21973, 45365, 63511, 77015, 107821, 109865, 317555, 539105, 662329, 3311645, 4636303, 23181515]

約数ペア:

[(1, 23181515), (5, 4636303), (7, 3311645), (35, 662329), (43, 539105), (73, 317555), (211, 109865), (215, 107821), (301, 77015), (365, 63511), (511, 45365), (1055, 21973), (1477, 15695), (1505, 15403), (2555, 9073), (3139, 7385)]