30757713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 49751040

約数和(自身を除く): 18993327

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 491, 1099, 1473, 2983, 3297, 3437, 8949, 9329, 10311, 20881, 27987, 62643, 65303, 77087, 195909, 231261, 539609, 1464653, 1618827, 4393959, 10252571, 30757713]

約数ペア:

[(1, 30757713), (3, 10252571), (7, 4393959), (19, 1618827), (21, 1464653), (57, 539609), (133, 231261), (157, 195909), (399, 77087), (471, 65303), (491, 62643), (1099, 27987), (1473, 20881), (2983, 10311), (3297, 9329), (3437, 8949)]