19980933

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 32626944

約数和(自身を除く): 12646011

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 577, 679, 1649, 1731, 2037, 4039, 4947, 9809, 11543, 12117, 29427, 34629, 55969, 68663, 167907, 205989, 391783, 951473, 1175349, 2854419, 6660311, 19980933]

約数ペア:

[(1, 19980933), (3, 6660311), (7, 2854419), (17, 1175349), (21, 951473), (51, 391783), (97, 205989), (119, 167907), (291, 68663), (357, 55969), (577, 34629), (679, 29427), (1649, 12117), (1731, 11543), (2037, 9809), (4039, 4947)]