309196867

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 387072000

約数和(自身を除く): 77875133

約数列:

[1, 7, 17, 41, 119, 127, 287, 499, 697, 889, 2159, 3493, 4879, 5207, 8483, 15113, 20459, 36449, 59381, 63373, 88519, 143213, 347803, 443611, 619633, 1077341, 2434621, 2598293, 7541387, 18188051, 44170981, 309196867]

約数ペア:

[(1, 309196867), (7, 44170981), (17, 18188051), (41, 7541387), (119, 2598293), (127, 2434621), (287, 1077341), (499, 619633), (697, 443611), (889, 347803), (2159, 143213), (3493, 88519), (4879, 63373), (5207, 59381), (8483, 36449), (15113, 20459)]