31830183

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 59844096

約数和(自身を除く): 28013913

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 1997, 2277, 5313, 5991, 13979, 15939, 17973, 21967, 41937, 45931, 65901, 125811, 137793, 153769, 197703, 321517, 413379, 461307, 505241, 964551, 1383921, 1515723, 2893653, 3536687, 4547169, 10610061, 31830183]

約数ペア:

[(1, 31830183), (3, 10610061), (7, 4547169), (9, 3536687), (11, 2893653), (21, 1515723), (23, 1383921), (33, 964551), (63, 505241), (69, 461307), (77, 413379), (99, 321517), (161, 197703), (207, 153769), (231, 137793), (253, 125811), (483, 65901), (693, 45931), (759, 41937), (1449, 21967), (1771, 17973), (1997, 15939), (2277, 13979), (5313, 5991)]