16855755

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 35458560

約数和(自身を除く): 18602805

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 49, 51, 57, 71, 85, 95, 105, 119, 133, 147, 213, 245, 255, 285, 323, 355, 357, 399, 497, 595, 665, 735, 833, 931, 969, 1065, 1207, 1349, 1491, 1615, 1785, 1995, 2261, 2485, 2499, 2793, 3479, 3621, 4047, 4165, 4655, 4845, 6035, 6745, 6783, 7455, 8449, 9443, 10437, 11305, 12495, 13965, 15827, 17395, 18105, 20235, 22933, 25347, 28329, 33915, 42245, 47215, 47481, 52185, 59143, 66101, 68799, 79135, 114665, 126735, 141645, 160531, 177429, 198303, 237405, 295715, 330505, 343995, 481593, 802655, 887145, 991515, 1123717, 2407965, 3371151, 5618585, 16855755]

約数ペア:

[(1, 16855755), (3, 5618585), (5, 3371151), (7, 2407965), (15, 1123717), (17, 991515), (19, 887145), (21, 802655), (35, 481593), (49, 343995), (51, 330505), (57, 295715), (71, 237405), (85, 198303), (95, 177429), (105, 160531), (119, 141645), (133, 126735), (147, 114665), (213, 79135), (245, 68799), (255, 66101), (285, 59143), (323, 52185), (355, 47481), (357, 47215), (399, 42245), (497, 33915), (595, 28329), (665, 25347), (735, 22933), (833, 20235), (931, 18105), (969, 17395), (1065, 15827), (1207, 13965), (1349, 12495), (1491, 11305), (1615, 10437), (1785, 9443), (1995, 8449), (2261, 7455), (2485, 6783), (2499, 6745), (2793, 6035), (3479, 4845), (3621, 4655), (4047, 4165)]