12209.00000000

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2437

約数の個数: 40

約数和(自身を含む): 126143952

約数和(自身を除く): 56754897

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 2347, 3285, 5913, 7041, 9855, 11735, 21123, 29565, 35205, 63369, 105615, 171331, 190107, 316845, 513993, 856655, 950535, 1541979, 2569965, 4625937, 7709895, 13877811, 23129685, 69389055]

約数ペア:

[(1, 69389055), (3, 23129685), (5, 13877811), (9, 7709895), (15, 4625937), (27, 2569965), (45, 1541979), (73, 950535), (81, 856655), (135, 513993), (219, 316845), (365, 190107), (405, 171331), (657, 105615), (1095, 63369), (1971, 35205), (2347, 29565), (3285, 21123), (5913, 11735), (7041, 9855)]