71987979

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10613}}^1$

素因数の和:10659

約数の個数: 32

約数和(自身を含む): 122273280

約数和(自身を除く): 50285301

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 10613, 31839, 74291, 180421, 201647, 222873, 541263, 604941, 1262947, 1411529, 3427999, 3788841, 4234587, 10283997, 23995993, 71987979]

約数ペア:

[(1, 71987979), (3, 23995993), (7, 10283997), (17, 4234587), (19, 3788841), (21, 3427999), (51, 1411529), (57, 1262947), (119, 604941), (133, 541263), (323, 222873), (357, 201647), (399, 180421), (969, 74291), (2261, 31839), (6783, 10613)]