27211401

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 47923200

約数和(自身を除く): 20711799

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 127, 133, 171, 179, 381, 399, 537, 889, 1143, 1197, 1253, 1611, 2413, 2667, 3401, 3759, 7239, 8001, 10203, 11277, 16891, 21717, 22733, 23807, 30609, 50673, 68199, 71421, 152019, 159131, 204597, 214263, 431927, 477393, 1295781, 1432179, 3023489, 3887343, 9070467, 27211401]

約数ペア:

[(1, 27211401), (3, 9070467), (7, 3887343), (9, 3023489), (19, 1432179), (21, 1295781), (57, 477393), (63, 431927), (127, 214263), (133, 204597), (171, 159131), (179, 152019), (381, 71421), (399, 68199), (537, 50673), (889, 30609), (1143, 23807), (1197, 22733), (1253, 21717), (1611, 16891), (2413, 11277), (2667, 10203), (3401, 8001), (3759, 7239)]