28394025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 51806208

約数和(自身を除く): 23412183

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 127, 165, 271, 275, 381, 635, 813, 825, 1355, 1397, 1905, 2981, 3175, 4065, 4191, 6775, 6985, 8943, 9525, 14905, 20325, 20955, 34417, 34925, 44715, 74525, 103251, 104775, 172085, 223575, 378587, 516255, 860425, 1135761, 1892935, 2581275, 5678805, 9464675, 28394025]

約数ペア:

[(1, 28394025), (3, 9464675), (5, 5678805), (11, 2581275), (15, 1892935), (25, 1135761), (33, 860425), (55, 516255), (75, 378587), (127, 223575), (165, 172085), (271, 104775), (275, 103251), (381, 74525), (635, 44715), (813, 34925), (825, 34417), (1355, 20955), (1397, 20325), (1905, 14905), (2981, 9525), (3175, 8943), (4065, 6985), (4191, 6775)]