72428721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 106178688

約数和(自身を除く): 33749967

約数列:

[1, 3, 17, 37, 51, 111, 131, 293, 393, 629, 879, 1887, 2227, 4847, 4981, 6681, 10841, 14541, 14943, 32523, 38383, 82399, 115149, 184297, 247197, 552891, 652511, 1420171, 1957533, 4260513, 24142907, 72428721]

約数ペア:

[(1, 72428721), (3, 24142907), (17, 4260513), (37, 1957533), (51, 1420171), (111, 652511), (131, 552891), (293, 247197), (393, 184297), (629, 115149), (879, 82399), (1887, 38383), (2227, 32523), (4847, 14943), (4981, 14541), (6681, 10841)]