205280355

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2393

約数の個数: 64

約数和(自身を含む): 405734400

約数和(自身を除く): 200454045

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 343, 357, 595, 735, 833, 1029, 1715, 1785, 2347, 2499, 4165, 5145, 5831, 7041, 11735, 12495, 16429, 17493, 29155, 35205, 39899, 49287, 82145, 87465, 115003, 119697, 199495, 246435, 279293, 345009, 575015, 598485, 805021, 837879, 1396465, 1725045, 1955051, 2415063, 4025105, 4189395, 5865153, 9775255, 12075315, 13685357, 29325765, 41056071, 68426785, 205280355]

約数ペア:

[(1, 205280355), (3, 68426785), (5, 41056071), (7, 29325765), (15, 13685357), (17, 12075315), (21, 9775255), (35, 5865153), (49, 4189395), (51, 4025105), (85, 2415063), (105, 1955051), (119, 1725045), (147, 1396465), (245, 837879), (255, 805021), (343, 598485), (357, 575015), (595, 345009), (735, 279293), (833, 246435), (1029, 199495), (1715, 119697), (1785, 115003), (2347, 87465), (2499, 82145), (4165, 49287), (5145, 39899), (5831, 35205), (7041, 29155), (11735, 17493), (12495, 16429)]