16809849

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 29969280

約数和(自身を除く): 13159431

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1289, 1449, 1863, 3867, 4347, 9023, 11601, 13041, 27069, 29647, 34803, 81207, 88941, 104409, 207529, 243621, 266823, 622587, 730863, 800469, 1867761, 2401407, 5603283, 16809849]

約数ペア:

[(1, 16809849), (3, 5603283), (7, 2401407), (9, 1867761), (21, 800469), (23, 730863), (27, 622587), (63, 266823), (69, 243621), (81, 207529), (161, 104409), (189, 88941), (207, 81207), (483, 34803), (567, 29647), (621, 27069), (1289, 13041), (1449, 11601), (1863, 9023), (3867, 4347)]