51214443

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 83927040

約数和(自身を除く): 32712597

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 2731, 6251, 8193, 18753, 19117, 51889, 57351, 128357, 155667, 363223, 385071, 898499, 1089669, 2438783, 2695497, 7316349, 17071481, 51214443]

約数ペア:

[(1, 51214443), (3, 17071481), (7, 7316349), (19, 2695497), (21, 2438783), (47, 1089669), (57, 898499), (133, 385071), (141, 363223), (329, 155667), (399, 128357), (893, 57351), (987, 51889), (2679, 19117), (2731, 18753), (6251, 8193)]