921193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 1161216

約数和(自身を除く): 240023

約数列:

[1, 7, 13, 53, 91, 191, 371, 689, 1337, 2483, 4823, 10123, 17381, 70861, 131599, 921193]

約数ペア:

[(1, 921193), (7, 131599), (13, 70861), (53, 17381), (91, 10123), (191, 4823), (371, 2483), (689, 1337)]