81540018

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 211161600

約数和(自身を除く): 129621582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 281, 282, 294, 329, 343, 423, 441, 562, 658, 686, 843, 846, 882, 987, 1029, 1686, 1967, 1974, 2058, 2303, 2529, 2961, 3087, 3934, 4606, 5058, 5901, 5922, 6174, 6909, 11802, 13207, 13769, 13818, 16121, 17703, 20727, 26414, 27538, 32242, 35406, 39621, 41307, 41454, 48363, 79242, 82614, 92449, 96383, 96726, 118863, 123921, 145089, 184898, 192766, 237726, 247842, 277347, 289149, 290178, 554694, 578298, 647143, 832041, 867447, 1294286, 1664082, 1734894, 1941429, 3882858, 4530001, 5824287, 9060002, 11648574, 13590003, 27180006, 40770009, 81540018]

約数ペア:

[(1, 81540018), (2, 40770009), (3, 27180006), (6, 13590003), (7, 11648574), (9, 9060002), (14, 5824287), (18, 4530001), (21, 3882858), (42, 1941429), (47, 1734894), (49, 1664082), (63, 1294286), (94, 867447), (98, 832041), (126, 647143), (141, 578298), (147, 554694), (281, 290178), (282, 289149), (294, 277347), (329, 247842), (343, 237726), (423, 192766), (441, 184898), (562, 145089), (658, 123921), (686, 118863), (843, 96726), (846, 96383), (882, 92449), (987, 82614), (1029, 79242), (1686, 48363), (1967, 41454), (1974, 41307), (2058, 39621), (2303, 35406), (2529, 32242), (2961, 27538), (3087, 26414), (3934, 20727), (4606, 17703), (5058, 16121), (5901, 13818), (5922, 13769), (6174, 13207), (6909, 11802)]