51401973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 84234240

約数和(自身を除く): 32832267

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 2741, 6251, 8223, 18753, 19187, 52079, 57561, 128827, 156237, 364553, 386481, 901789, 1093659, 2447713, 2705367, 7343139, 17133991, 51401973]

約数ペア:

[(1, 51401973), (3, 17133991), (7, 7343139), (19, 2705367), (21, 2447713), (47, 1093659), (57, 901789), (133, 386481), (141, 364553), (329, 156237), (399, 128827), (893, 57561), (987, 52079), (2679, 19187), (2741, 18753), (6251, 8223)]