31075779

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 50996736

約数和(自身を除く): 19920957

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 1427, 3111, 4281, 7259, 9989, 21777, 24259, 29967, 72777, 87047, 169813, 261141, 509439, 609329, 1479799, 1827987, 4439397, 10358593, 31075779]

約数ペア:

[(1, 31075779), (3, 10358593), (7, 4439397), (17, 1827987), (21, 1479799), (51, 609329), (61, 509439), (119, 261141), (183, 169813), (357, 87047), (427, 72777), (1037, 29967), (1281, 24259), (1427, 21777), (3111, 9989), (4281, 7259)]