9998883

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 16117200

約数和(自身を除く): 6118317

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 89, 171, 219, 267, 513, 657, 801, 1387, 1539, 1691, 1971, 2403, 4161, 5073, 5913, 6497, 7209, 12483, 15219, 19491, 37449, 45657, 58473, 112347, 123443, 136971, 175419, 370329, 526257, 1110987, 3332961, 9998883]

約数ペア:

[(1, 9998883), (3, 3332961), (9, 1110987), (19, 526257), (27, 370329), (57, 175419), (73, 136971), (81, 123443), (89, 112347), (171, 58473), (219, 45657), (267, 37449), (513, 19491), (657, 15219), (801, 12483), (1387, 7209), (1539, 6497), (1691, 5913), (1971, 5073), (2403, 4161)]