1520794989

素因数分解:

$3^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{21767}}^1$

素因数の和:22889

約数の個数: 24

約数和(自身を含む): 2512897920

約数和(自身を除く): 992102931

約数列:

[1, 3, 7, 9, 21, 63, 1109, 3327, 7763, 9981, 21767, 23289, 65301, 69867, 152369, 195903, 457107, 1371321, 24139603, 72418809, 168977221, 217256427, 506931663, 1520794989]

約数ペア:

[(1, 1520794989), (3, 506931663), (7, 217256427), (9, 168977221), (21, 72418809), (63, 24139603), (1109, 1371321), (3327, 457107), (7763, 195903), (9981, 152369), (21767, 69867), (23289, 65301)]