28339773

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 21710787

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 587, 627, 847, 1463, 1761, 2299, 2541, 4109, 4389, 6457, 6897, 11153, 12327, 16093, 19371, 33459, 45199, 48279, 71027, 78071, 122683, 135597, 213081, 234213, 368049, 497189, 858781, 1349513, 1491567, 2576343, 4048539, 9446591, 28339773]

約数ペア:

[(1, 28339773), (3, 9446591), (7, 4048539), (11, 2576343), (19, 1491567), (21, 1349513), (33, 858781), (57, 497189), (77, 368049), (121, 234213), (133, 213081), (209, 135597), (231, 122683), (363, 78071), (399, 71027), (587, 48279), (627, 45199), (847, 33459), (1463, 19371), (1761, 16093), (2299, 12327), (2541, 11153), (4109, 6897), (4389, 6457)]