51783281

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 18

約数和(自身を含む): 59574690

約数和(自身を除く): 7791409

約数列:

[1, 11, 23, 121, 253, 529, 809, 2783, 5819, 8899, 18607, 64009, 97889, 204677, 427961, 2251447, 4707571, 51783281]

約数ペア:

[(1, 51783281), (11, 4707571), (23, 2251447), (121, 427961), (253, 204677), (529, 97889), (809, 64009), (2783, 18607), (5819, 8899)]