15668919

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 27316224

約数和(自身を除く): 11647305

約数列:

[1, 3, 7, 9, 21, 31, 63, 71, 93, 113, 213, 217, 279, 339, 497, 639, 651, 791, 1017, 1491, 1953, 2201, 2373, 3503, 4473, 6603, 7119, 8023, 10509, 15407, 19809, 24069, 24521, 31527, 46221, 56161, 72207, 73563, 138663, 168483, 220689, 248713, 505449, 746139, 1740991, 2238417, 5222973, 15668919]

約数ペア:

[(1, 15668919), (3, 5222973), (7, 2238417), (9, 1740991), (21, 746139), (31, 505449), (63, 248713), (71, 220689), (93, 168483), (113, 138663), (213, 73563), (217, 72207), (279, 56161), (339, 46221), (497, 31527), (639, 24521), (651, 24069), (791, 19809), (1017, 15407), (1491, 10509), (1953, 8023), (2201, 7119), (2373, 6603), (3503, 4473)]