1278208869

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{188443}}^1$

素因数の和:188489

約数の個数: 32

約数和(自身を含む): 2170874880

約数和(自身を除く): 892666011

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 188443, 565329, 1319101, 3203531, 3580417, 3957303, 9610593, 10741251, 22424717, 25062919, 60867089, 67274151, 75188757, 182601267, 426069623, 1278208869]

約数ペア:

[(1, 1278208869), (3, 426069623), (7, 182601267), (17, 75188757), (19, 67274151), (21, 60867089), (51, 25062919), (57, 22424717), (119, 10741251), (133, 9610593), (323, 3957303), (357, 3580417), (399, 3203531), (969, 1319101), (2261, 565329), (6783, 188443)]