13521123

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 24710400

約数和(自身を除く): 11189277

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 179, 231, 327, 537, 693, 763, 981, 1199, 1253, 1611, 1969, 2289, 3597, 3759, 5907, 6867, 8393, 10791, 11277, 13783, 17721, 19511, 25179, 41349, 58533, 75537, 124047, 136577, 175599, 214621, 409731, 643863, 1229193, 1502347, 1931589, 4507041, 13521123]

約数ペア:

[(1, 13521123), (3, 4507041), (7, 1931589), (9, 1502347), (11, 1229193), (21, 643863), (33, 409731), (63, 214621), (77, 175599), (99, 136577), (109, 124047), (179, 75537), (231, 58533), (327, 41349), (537, 25179), (693, 19511), (763, 17721), (981, 13783), (1199, 11277), (1253, 10791), (1611, 8393), (1969, 6867), (2289, 5907), (3597, 3759)]