28171737

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 21361383

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 627, 881, 969, 1683, 1881, 2643, 2907, 3553, 7929, 9691, 10659, 14977, 16739, 29073, 31977, 44931, 50217, 87219, 134793, 150651, 164747, 184129, 284563, 494241, 552387, 853689, 1482723, 1657161, 2561067, 3130193, 9390579, 28171737]

約数ペア:

[(1, 28171737), (3, 9390579), (9, 3130193), (11, 2561067), (17, 1657161), (19, 1482723), (33, 853689), (51, 552387), (57, 494241), (99, 284563), (153, 184129), (171, 164747), (187, 150651), (209, 134793), (323, 87219), (561, 50217), (627, 44931), (881, 31977), (969, 29073), (1683, 16739), (1881, 14977), (2643, 10659), (2907, 9691), (3553, 7929)]