861441

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 1474560

約数和(自身を除く): 613119

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 127, 133, 323, 357, 381, 399, 889, 969, 2159, 2261, 2413, 2667, 6477, 6783, 7239, 15113, 16891, 41021, 45339, 50673, 123063, 287147, 861441]

約数ペア:

[(1, 861441), (3, 287147), (7, 123063), (17, 50673), (19, 45339), (21, 41021), (51, 16891), (57, 15113), (119, 7239), (127, 6783), (133, 6477), (323, 2667), (357, 2413), (381, 2261), (399, 2159), (889, 969)]