64989861

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 98703360

約数和(自身を除く): 33713499

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 799, 893, 969, 1427, 2397, 2679, 4281, 15181, 24259, 27113, 45543, 67069, 72777, 81339, 201207, 460921, 1140173, 1274311, 1382763, 3420519, 3822933, 21663287, 64989861]

約数ペア:

[(1, 64989861), (3, 21663287), (17, 3822933), (19, 3420519), (47, 1382763), (51, 1274311), (57, 1140173), (141, 460921), (323, 201207), (799, 81339), (893, 72777), (969, 67069), (1427, 45543), (2397, 27113), (2679, 24259), (4281, 15181)]