28162281

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16996119

約数列:

[1, 3, 7, 21, 23, 69, 161, 199, 293, 483, 597, 879, 1393, 2051, 4179, 4577, 6153, 6739, 13731, 20217, 32039, 47173, 58307, 96117, 141519, 174921, 408149, 1224447, 1341061, 4023183, 9387427, 28162281]

約数ペア:

[(1, 28162281), (3, 9387427), (7, 4023183), (21, 1341061), (23, 1224447), (69, 408149), (161, 174921), (199, 141519), (293, 96117), (483, 58307), (597, 47173), (879, 32039), (1393, 20217), (2051, 13731), (4179, 6739), (4577, 6153)]