15391539

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 24713040

約数和(自身を除く): 9321501

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 137, 171, 219, 411, 513, 657, 1233, 1387, 1539, 1971, 2603, 3699, 4161, 5913, 7809, 10001, 11097, 12483, 23427, 30003, 37449, 70281, 90009, 112347, 190019, 210843, 270027, 570057, 810081, 1710171, 5130513, 15391539]

約数ペア:

[(1, 15391539), (3, 5130513), (9, 1710171), (19, 810081), (27, 570057), (57, 270027), (73, 210843), (81, 190019), (137, 112347), (171, 90009), (219, 70281), (411, 37449), (513, 30003), (657, 23427), (1233, 12483), (1387, 11097), (1539, 10001), (1971, 7809), (2603, 5913), (3699, 4161)]