79687083

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 131838720

約数和(自身を除く): 52151637

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 277, 309, 399, 721, 831, 931, 1939, 1957, 2163, 2793, 5047, 5263, 5817, 5871, 13573, 13699, 15141, 15789, 28531, 36841, 40719, 41097, 85593, 95893, 110523, 199717, 257887, 287679, 542089, 599151, 773661, 1398019, 1626267, 3794623, 4194057, 11383869, 26562361, 79687083]

約数ペア:

[(1, 79687083), (3, 26562361), (7, 11383869), (19, 4194057), (21, 3794623), (49, 1626267), (57, 1398019), (103, 773661), (133, 599151), (147, 542089), (277, 287679), (309, 257887), (399, 199717), (721, 110523), (831, 95893), (931, 85593), (1939, 41097), (1957, 40719), (2163, 36841), (2793, 28531), (5047, 15789), (5263, 15141), (5817, 13699), (5871, 13573)]