68775405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 115623936

約数和(自身を除く): 46848531

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 489, 815, 1223, 2445, 3669, 3749, 6115, 11247, 18345, 18745, 28129, 56235, 84387, 140645, 199349, 421935, 598047, 996745, 2990235, 4585027, 13755081, 22925135, 68775405]

約数ペア:

[(1, 68775405), (3, 22925135), (5, 13755081), (15, 4585027), (23, 2990235), (69, 996745), (115, 598047), (163, 421935), (345, 199349), (489, 140645), (815, 84387), (1223, 56235), (2445, 28129), (3669, 18745), (3749, 18345), (6115, 11247)]