280930239

素因数分解:

$3^2\times {\mathrm{167}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 410111520

約数和(自身を除く): 129181281

約数列:

[1, 3, 9, 167, 409, 457, 501, 1227, 1371, 1503, 3681, 4113, 68303, 76319, 186913, 204909, 228957, 560739, 614727, 686871, 1682217, 31214471, 93643413, 280930239]

約数ペア:

[(1, 280930239), (3, 93643413), (9, 31214471), (167, 1682217), (409, 686871), (457, 614727), (501, 560739), (1227, 228957), (1371, 204909), (1503, 186913), (3681, 76319), (4113, 68303)]