28254663

素因数分解:

$3^4\times {\mathrm{17}}^3\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 40

約数和(自身を含む): 45476640

約数和(自身を除く): 17221977

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 213, 289, 459, 639, 867, 1207, 1377, 1917, 2601, 3621, 4913, 5751, 7803, 10863, 14739, 20519, 23409, 32589, 44217, 61557, 97767, 132651, 184671, 348823, 397953, 554013, 1046469, 1662039, 3139407, 9418221, 28254663]

約数ペア:

[(1, 28254663), (3, 9418221), (9, 3139407), (17, 1662039), (27, 1046469), (51, 554013), (71, 397953), (81, 348823), (153, 184671), (213, 132651), (289, 97767), (459, 61557), (639, 44217), (867, 32589), (1207, 23409), (1377, 20519), (1917, 14739), (2601, 10863), (3621, 7803), (4913, 5751)]