16402491

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 29053440

約数和(自身を除く): 12650949

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 193, 213, 399, 497, 579, 639, 1197, 1349, 1351, 1491, 1737, 3667, 4047, 4053, 4473, 9443, 11001, 12141, 12159, 13703, 25669, 28329, 33003, 41109, 77007, 84987, 95921, 123327, 231021, 260357, 287763, 781071, 863289, 1822499, 2343213, 5467497, 16402491]

約数ペア:

[(1, 16402491), (3, 5467497), (7, 2343213), (9, 1822499), (19, 863289), (21, 781071), (57, 287763), (63, 260357), (71, 231021), (133, 123327), (171, 95921), (193, 84987), (213, 77007), (399, 41109), (497, 33003), (579, 28329), (639, 25669), (1197, 13703), (1349, 12159), (1351, 12141), (1491, 11001), (1737, 9443), (3667, 4473), (4047, 4053)]