215307393

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{445771}}^1$

素因数の和:445804

約数の個数: 16

約数和(自身を含む): 342352896

約数和(自身を除く): 127045503

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 445771, 1337313, 3120397, 9361191, 10252733, 30758199, 71769131, 215307393]

約数ペア:

[(1, 215307393), (3, 71769131), (7, 30758199), (21, 10252733), (23, 9361191), (69, 3120397), (161, 1337313), (483, 445771)]