668889759

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 947920896

約数和(自身を除く): 279031137

約数列:

[1, 3, 31, 47, 93, 137, 141, 411, 1117, 1457, 3351, 4247, 4371, 6439, 12741, 19317, 34627, 52499, 103881, 153029, 157497, 199609, 459087, 598827, 1627469, 4743899, 4882407, 7192363, 14231697, 21577089, 222963253, 668889759]

約数ペア:

[(1, 668889759), (3, 222963253), (31, 21577089), (47, 14231697), (93, 7192363), (137, 4882407), (141, 4743899), (411, 1627469), (1117, 598827), (1457, 459087), (3351, 199609), (4247, 157497), (4371, 153029), (6439, 103881), (12741, 52499), (19317, 34627)]