28672155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 23444325

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 127, 145, 173, 261, 381, 435, 519, 635, 865, 1143, 1305, 1557, 1905, 2595, 3683, 5017, 5715, 7785, 11049, 15051, 18415, 21971, 25085, 33147, 45153, 55245, 65913, 75255, 109855, 165735, 197739, 225765, 329565, 637159, 988695, 1911477, 3185795, 5734431, 9557385, 28672155]

約数ペア:

[(1, 28672155), (3, 9557385), (5, 5734431), (9, 3185795), (15, 1911477), (29, 988695), (45, 637159), (87, 329565), (127, 225765), (145, 197739), (173, 165735), (261, 109855), (381, 75255), (435, 65913), (519, 55245), (635, 45153), (865, 33147), (1143, 25085), (1305, 21971), (1557, 18415), (1905, 15051), (2595, 11049), (3683, 7785), (5017, 5715)]