661946703

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1871}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 983384064

約数和(自身を除く): 321437361

約数列:

[1, 3, 11, 33, 71, 151, 213, 453, 781, 1661, 1871, 2343, 4983, 5613, 10721, 20581, 32163, 61743, 117931, 132841, 282521, 353793, 398523, 847563, 1461251, 3107731, 4383753, 9323193, 20058991, 60176973, 220648901, 661946703]

約数ペア:

[(1, 661946703), (3, 220648901), (11, 60176973), (33, 20058991), (71, 9323193), (151, 4383753), (213, 3107731), (453, 1461251), (781, 847563), (1661, 398523), (1871, 353793), (2343, 282521), (4983, 132841), (5613, 117931), (10721, 61743), (20581, 32163)]