11915775

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 22220800

約数和(自身を除く): 10305025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 139, 225, 381, 417, 635, 675, 695, 1143, 1251, 1905, 2085, 3175, 3429, 3475, 3753, 5715, 6255, 9525, 10425, 17145, 17653, 18765, 28575, 31275, 52959, 85725, 88265, 93825, 158877, 264795, 441325, 476631, 794385, 1323975, 2383155, 3971925, 11915775]

約数ペア:

[(1, 11915775), (3, 3971925), (5, 2383155), (9, 1323975), (15, 794385), (25, 476631), (27, 441325), (45, 264795), (75, 158877), (127, 93825), (135, 88265), (139, 85725), (225, 52959), (381, 31275), (417, 28575), (635, 18765), (675, 17653), (695, 17145), (1143, 10425), (1251, 9525), (1905, 6255), (2085, 5715), (3175, 3753), (3429, 3475)]