207973563

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30661}}^1$

素因数の和:30707

約数の個数: 32

約数和(自身を含む): 353226240

約数和(自身を除く): 145252677

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 30661, 91983, 214627, 521237, 582559, 643881, 1563711, 1747677, 3648659, 4077913, 9903503, 10945977, 12233739, 29710509, 69324521, 207973563]

約数ペア:

[(1, 207973563), (3, 69324521), (7, 29710509), (17, 12233739), (19, 10945977), (21, 9903503), (51, 4077913), (57, 3648659), (119, 1747677), (133, 1563711), (323, 643881), (357, 582559), (399, 521237), (969, 214627), (2261, 91983), (6783, 30661)]