31886883

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 26819037

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 1567, 2261, 2907, 4701, 6783, 10969, 14103, 20349, 26639, 29773, 32907, 79917, 89319, 98721, 186473, 208411, 239751, 267957, 506141, 559419, 625233, 1518423, 1678257, 1875699, 3542987, 4555269, 10628961, 31886883]

約数ペア:

[(1, 31886883), (3, 10628961), (7, 4555269), (9, 3542987), (17, 1875699), (19, 1678257), (21, 1518423), (51, 625233), (57, 559419), (63, 506141), (119, 267957), (133, 239751), (153, 208411), (171, 186473), (323, 98721), (357, 89319), (399, 79917), (969, 32907), (1071, 29773), (1197, 26639), (1567, 20349), (2261, 14103), (2907, 10969), (4701, 6783)]