66650997

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 104169472

約数和(自身を除く): 37518475

約数列:

[1, 3, 7, 21, 67, 127, 201, 373, 381, 469, 889, 1119, 1407, 2611, 2667, 7833, 8509, 24991, 25527, 47371, 59563, 74973, 142113, 174937, 178689, 331597, 524811, 994791, 3173857, 9521571, 22216999, 66650997]

約数ペア:

[(1, 66650997), (3, 22216999), (7, 9521571), (21, 3173857), (67, 994791), (127, 524811), (201, 331597), (373, 178689), (381, 174937), (469, 142113), (889, 74973), (1119, 59563), (1407, 47371), (2611, 25527), (2667, 24991), (7833, 8509)]