28565271

素因数分解:

$3^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 48614400

約数和(自身を除く): 20049129

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 359, 421, 1077, 1263, 2513, 2947, 3231, 3789, 7539, 8841, 9693, 11367, 22617, 26523, 67851, 79569, 151139, 453417, 1057973, 1360251, 3173919, 4080753, 9521757, 28565271]

約数ペア:

[(1, 28565271), (3, 9521757), (7, 4080753), (9, 3173919), (21, 1360251), (27, 1057973), (63, 453417), (189, 151139), (359, 79569), (421, 67851), (1077, 26523), (1263, 22617), (2513, 11367), (2947, 9693), (3231, 8841), (3789, 7539)]