13391631

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 22857120

約数和(自身を除く): 9465489

約数列:

[1, 3, 9, 11, 17, 33, 51, 73, 99, 109, 153, 187, 219, 327, 561, 657, 803, 981, 1199, 1241, 1683, 1853, 2409, 3597, 3723, 5559, 7227, 7957, 10791, 11169, 13651, 16677, 20383, 23871, 40953, 61149, 71613, 87527, 122859, 135269, 183447, 262581, 405807, 787743, 1217421, 1487959, 4463877, 13391631]

約数ペア:

[(1, 13391631), (3, 4463877), (9, 1487959), (11, 1217421), (17, 787743), (33, 405807), (51, 262581), (73, 183447), (99, 135269), (109, 122859), (153, 87527), (187, 71613), (219, 61149), (327, 40953), (561, 23871), (657, 20383), (803, 16677), (981, 13651), (1199, 11169), (1241, 10791), (1683, 7957), (1853, 7227), (2409, 5559), (3597, 3723)]