11978865

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 21532212

約数和(自身を除く): 9553347

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 277, 279, 465, 831, 961, 1385, 1395, 2493, 2883, 4155, 4805, 8587, 8649, 12465, 14415, 25761, 42935, 43245, 77283, 128805, 266197, 386415, 798591, 1330985, 2395773, 3992955, 11978865]

約数ペア:

[(1, 11978865), (3, 3992955), (5, 2395773), (9, 1330985), (15, 798591), (31, 386415), (45, 266197), (93, 128805), (155, 77283), (277, 43245), (279, 42935), (465, 25761), (831, 14415), (961, 12465), (1385, 8649), (1395, 8587), (2493, 4805), (2883, 4155)]