51128025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 93327360

約数和(自身を除く): 42199335

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1279, 1599, 2665, 3075, 3837, 6395, 7995, 13325, 16627, 19185, 31975, 39975, 49881, 52439, 83135, 95925, 157317, 249405, 262195, 415675, 681707, 786585, 1247025, 1310975, 2045121, 3408535, 3932925, 10225605, 17042675, 51128025]

約数ペア:

[(1, 51128025), (3, 17042675), (5, 10225605), (13, 3932925), (15, 3408535), (25, 2045121), (39, 1310975), (41, 1247025), (65, 786585), (75, 681707), (123, 415675), (195, 262195), (205, 249405), (325, 157317), (533, 95925), (615, 83135), (975, 52439), (1025, 49881), (1279, 39975), (1599, 31975), (2665, 19185), (3075, 16627), (3837, 13325), (6395, 7995)]