1820808717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{141907}}^1$

素因数の和:141977

約数の個数: 32

約数和(自身を含む): 3051589632

約数和(自身を除く): 1230780915

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 141907, 425721, 993349, 1844791, 2980047, 5534373, 6669629, 12913537, 20008887, 38740611, 46687403, 86705177, 140062209, 260115531, 606936239, 1820808717]

約数ペア:

[(1, 1820808717), (3, 606936239), (7, 260115531), (13, 140062209), (21, 86705177), (39, 46687403), (47, 38740611), (91, 20008887), (141, 12913537), (273, 6669629), (329, 5534373), (611, 2980047), (987, 1844791), (1833, 993349), (4277, 425721), (12831, 141907)]