1217727

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 2188800

約数和(自身を除く): 971073

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 379, 459, 1071, 1137, 2653, 3213, 3411, 6443, 7959, 10233, 19329, 23877, 45101, 57987, 71631, 135303, 173961, 405909, 1217727]

約数ペア:

[(1, 1217727), (3, 405909), (7, 173961), (9, 135303), (17, 71631), (21, 57987), (27, 45101), (51, 23877), (63, 19329), (119, 10233), (153, 7959), (189, 6443), (357, 3411), (379, 3213), (459, 2653), (1071, 1137)]