28176633

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 46565760

約数和(自身を除く): 18389127

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 157, 207, 289, 391, 459, 471, 621, 867, 1173, 1413, 2601, 2669, 3519, 3611, 4239, 6647, 7803, 8007, 10557, 10833, 19941, 24021, 32499, 45373, 59823, 61387, 72063, 97497, 136119, 179469, 184161, 408357, 552483, 1043579, 1225071, 1657449, 3130737, 9392211, 28176633]

約数ペア:

[(1, 28176633), (3, 9392211), (9, 3130737), (17, 1657449), (23, 1225071), (27, 1043579), (51, 552483), (69, 408357), (153, 184161), (157, 179469), (207, 136119), (289, 97497), (391, 72063), (459, 61387), (471, 59823), (621, 45373), (867, 32499), (1173, 24021), (1413, 19941), (2601, 10833), (2669, 10557), (3519, 8007), (3611, 7803), (4239, 6647)]