81474183

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 143769600

約数和(自身を除く): 62295417

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 127, 153, 357, 381, 599, 889, 1071, 1143, 1797, 2159, 2667, 4193, 5391, 6477, 8001, 10183, 12579, 15113, 19431, 30549, 37737, 45339, 71281, 76073, 91647, 136017, 213843, 228219, 532511, 641529, 684657, 1293241, 1597533, 3879723, 4792599, 9052687, 11639169, 27158061, 81474183]

約数ペア:

[(1, 81474183), (3, 27158061), (7, 11639169), (9, 9052687), (17, 4792599), (21, 3879723), (51, 1597533), (63, 1293241), (119, 684657), (127, 641529), (153, 532511), (357, 228219), (381, 213843), (599, 136017), (889, 91647), (1071, 76073), (1143, 71281), (1797, 45339), (2159, 37737), (2667, 30549), (4193, 19431), (5391, 15113), (6477, 12579), (8001, 10183)]