28172043

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 17565957

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 369, 459, 499, 697, 1107, 1377, 1497, 2091, 3321, 4491, 6273, 8483, 13473, 18819, 20459, 25449, 40419, 56457, 61377, 76347, 184131, 229041, 347803, 552393, 687123, 1043409, 1657179, 3130227, 9390681, 28172043]

約数ペア:

[(1, 28172043), (3, 9390681), (9, 3130227), (17, 1657179), (27, 1043409), (41, 687123), (51, 552393), (81, 347803), (123, 229041), (153, 184131), (369, 76347), (459, 61377), (499, 56457), (697, 40419), (1107, 25449), (1377, 20459), (1497, 18819), (2091, 13473), (3321, 8483), (4491, 6273)]