19973225835

素因数分解:

$3^9\times 5^1\times {\mathrm{202949}}^1$

素因数の和:202981

約数の個数: 40

約数和(自身を含む): 35951374800

約数和(自身を除く): 15978148965

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6561, 10935, 19683, 32805, 98415, 202949, 608847, 1014745, 1826541, 3044235, 5479623, 9132705, 16438869, 27398115, 49316607, 82194345, 147949821, 246583035, 443849463, 739749105, 1331548389, 2219247315, 3994645167, 6657741945, 19973225835]

約数ペア:

[(1, 19973225835), (3, 6657741945), (5, 3994645167), (9, 2219247315), (15, 1331548389), (27, 739749105), (45, 443849463), (81, 246583035), (135, 147949821), (243, 82194345), (405, 49316607), (729, 27398115), (1215, 16438869), (2187, 9132705), (3645, 5479623), (6561, 3044235), (10935, 1826541), (19683, 1014745), (32805, 608847), (98415, 202949)]