28956627

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 53314560

約数和(自身を除く): 24357933

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 1423, 2261, 2907, 4269, 6783, 9961, 12807, 20349, 24191, 27037, 29883, 72573, 81111, 89649, 169337, 189259, 217719, 243333, 459629, 508011, 567777, 1378887, 1524033, 1703331, 3217403, 4136661, 9652209, 28956627]

約数ペア:

[(1, 28956627), (3, 9652209), (7, 4136661), (9, 3217403), (17, 1703331), (19, 1524033), (21, 1378887), (51, 567777), (57, 508011), (63, 459629), (119, 243333), (133, 217719), (153, 189259), (171, 169337), (323, 89649), (357, 81111), (399, 72573), (969, 29883), (1071, 27037), (1197, 24191), (1423, 20349), (2261, 12807), (2907, 9961), (4269, 6783)]