65491005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 117411840

約数和(自身を除く): 51920835

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 97, 103, 115, 285, 291, 309, 345, 437, 485, 515, 1311, 1455, 1545, 1843, 1957, 2185, 2231, 2369, 5529, 5871, 6555, 6693, 7107, 9215, 9785, 9991, 11155, 11845, 27645, 29355, 29973, 33465, 35535, 42389, 45011, 49955, 127167, 135033, 149865, 189829, 211945, 225055, 229793, 569487, 635835, 675165, 689379, 949145, 1148965, 2847435, 3446895, 4366067, 13098201, 21830335, 65491005]

約数ペア:

[(1, 65491005), (3, 21830335), (5, 13098201), (15, 4366067), (19, 3446895), (23, 2847435), (57, 1148965), (69, 949145), (95, 689379), (97, 675165), (103, 635835), (115, 569487), (285, 229793), (291, 225055), (309, 211945), (345, 189829), (437, 149865), (485, 135033), (515, 127167), (1311, 49955), (1455, 45011), (1545, 42389), (1843, 35535), (1957, 33465), (2185, 29973), (2231, 29355), (2369, 27645), (5529, 11845), (5871, 11155), (6555, 9991), (6693, 9785), (7107, 9215)]