3986409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 6522880

約数和(自身を除く): 2536471

約数列:

[1, 3, 7, 19, 21, 57, 97, 103, 133, 291, 309, 399, 679, 721, 1843, 1957, 2037, 2163, 5529, 5871, 9991, 12901, 13699, 29973, 38703, 41097, 69937, 189829, 209811, 569487, 1328803, 3986409]

約数ペア:

[(1, 3986409), (3, 1328803), (7, 569487), (19, 209811), (21, 189829), (57, 69937), (97, 41097), (103, 38703), (133, 29973), (291, 13699), (309, 12901), (399, 9991), (679, 5871), (721, 5529), (1843, 2163), (1957, 2037)]