28771551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 16225569

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 321, 433, 621, 963, 1299, 2461, 2889, 3897, 7383, 9959, 11691, 22149, 29877, 46331, 66447, 89631, 138993, 268893, 416979, 1065613, 1250937, 3196839, 9590517, 28771551]

約数ペア:

[(1, 28771551), (3, 9590517), (9, 3196839), (23, 1250937), (27, 1065613), (69, 416979), (107, 268893), (207, 138993), (321, 89631), (433, 66447), (621, 46331), (963, 29877), (1299, 22149), (2461, 11691), (2889, 9959), (3897, 7383)]