400197

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 291003

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 59, 119, 133, 177, 323, 357, 399, 413, 969, 1003, 1121, 1239, 2261, 3009, 3363, 6783, 7021, 7847, 19057, 21063, 23541, 57171, 133399, 400197]

約数ペア:

[(1, 400197), (3, 133399), (7, 57171), (17, 23541), (19, 21063), (21, 19057), (51, 7847), (57, 7021), (59, 6783), (119, 3363), (133, 3009), (177, 2261), (323, 1239), (357, 1121), (399, 1003), (413, 969)]