28326165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2267}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 55847232

約数和(自身を除く): 27521067

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2267, 2499, 4165, 6801, 11335, 12495, 15869, 34005, 38539, 47607, 79345, 111083, 115617, 192695, 238035, 269773, 333249, 555415, 578085, 809319, 1348865, 1666245, 1888411, 4046595, 5665233, 9442055, 28326165]

約数ペア:

[(1, 28326165), (3, 9442055), (5, 5665233), (7, 4046595), (15, 1888411), (17, 1666245), (21, 1348865), (35, 809319), (49, 578085), (51, 555415), (85, 333249), (105, 269773), (119, 238035), (147, 192695), (245, 115617), (255, 111083), (357, 79345), (595, 47607), (735, 38539), (833, 34005), (1785, 15869), (2267, 12495), (2499, 11335), (4165, 6801)]