31150878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20521}}^1$

素因数の和:20560

約数の個数: 32

約数和(自身を含む): 70924032

約数和(自身を除く): 39773154

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 20521, 41042, 61563, 123126, 225731, 451462, 471983, 677193, 943966, 1354386, 1415949, 2831898, 5191813, 10383626, 15575439, 31150878]

約数ペア:

[(1, 31150878), (2, 15575439), (3, 10383626), (6, 5191813), (11, 2831898), (22, 1415949), (23, 1354386), (33, 943966), (46, 677193), (66, 471983), (69, 451462), (138, 225731), (253, 123126), (506, 61563), (759, 41042), (1518, 20521)]