28426419

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 48473256

約数和(自身を除く): 20046837

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 883, 1533, 2649, 3577, 4599, 6181, 7947, 10731, 18543, 32193, 43267, 55629, 64459, 129801, 193377, 389403, 451213, 580131, 1353639, 3158491, 4060917, 9475473, 28426419]

約数ペア:

[(1, 28426419), (3, 9475473), (7, 4060917), (9, 3158491), (21, 1353639), (49, 580131), (63, 451213), (73, 389403), (147, 193377), (219, 129801), (441, 64459), (511, 55629), (657, 43267), (883, 32193), (1533, 18543), (2649, 10731), (3577, 7947), (4599, 6181)]