54420009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 40136151

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 71, 113, 119, 133, 213, 323, 339, 357, 399, 497, 791, 969, 1207, 1349, 1491, 1921, 2147, 2261, 2373, 3621, 4047, 5763, 6441, 6783, 8023, 8449, 9443, 13447, 15029, 22933, 24069, 25347, 28329, 36499, 40341, 45087, 56161, 68799, 109497, 136391, 152437, 160531, 168483, 255493, 409173, 457311, 481593, 766479, 954737, 1067059, 2591429, 2864211, 3201177, 7774287, 18140003, 54420009]

約数ペア:

[(1, 54420009), (3, 18140003), (7, 7774287), (17, 3201177), (19, 2864211), (21, 2591429), (51, 1067059), (57, 954737), (71, 766479), (113, 481593), (119, 457311), (133, 409173), (213, 255493), (323, 168483), (339, 160531), (357, 152437), (399, 136391), (497, 109497), (791, 68799), (969, 56161), (1207, 45087), (1349, 40341), (1491, 36499), (1921, 28329), (2147, 25347), (2261, 24069), (2373, 22933), (3621, 15029), (4047, 13447), (5763, 9443), (6441, 8449), (6783, 8023)]