161738199

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{30931}}^1$

素因数の和:31027

約数の個数: 24

約数和(自身を含む): 270221952

約数和(自身を除く): 108483753

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 30931, 92793, 216517, 278379, 649551, 1948653, 2567273, 7701819, 17970911, 23105457, 53912733, 161738199]

約数ペア:

[(1, 161738199), (3, 53912733), (7, 23105457), (9, 17970911), (21, 7701819), (63, 2567273), (83, 1948653), (249, 649551), (581, 278379), (747, 216517), (1743, 92793), (5229, 30931)]