78321495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3121}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 143861760

約数和(自身を除く): 65540265

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 1195, 1673, 3121, 3585, 5019, 8365, 9363, 15605, 21847, 25095, 46815, 65541, 109235, 327705, 745919, 2237757, 3729595, 5221433, 11188785, 15664299, 26107165, 78321495]

約数ペア:

[(1, 78321495), (3, 26107165), (5, 15664299), (7, 11188785), (15, 5221433), (21, 3729595), (35, 2237757), (105, 745919), (239, 327705), (717, 109235), (1195, 65541), (1673, 46815), (3121, 25095), (3585, 21847), (5019, 15605), (8365, 9363)]