27531875

素因数分解:

$5^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 60

約数和(自身を含む): 42736320

約数和(自身を除く): 15204445

約数列:

[1, 5, 7, 25, 29, 31, 35, 49, 125, 145, 155, 175, 203, 217, 245, 625, 725, 775, 875, 899, 1015, 1085, 1225, 1421, 1519, 3625, 3875, 4375, 4495, 5075, 5425, 6125, 6293, 7105, 7595, 18125, 19375, 22475, 25375, 27125, 30625, 31465, 35525, 37975, 44051, 112375, 126875, 135625, 157325, 177625, 189875, 220255, 561875, 786625, 888125, 949375, 1101275, 3933125, 5506375, 27531875]

約数ペア:

[(1, 27531875), (5, 5506375), (7, 3933125), (25, 1101275), (29, 949375), (31, 888125), (35, 786625), (49, 561875), (125, 220255), (145, 189875), (155, 177625), (175, 157325), (203, 135625), (217, 126875), (245, 112375), (625, 44051), (725, 37975), (775, 35525), (875, 31465), (899, 30625), (1015, 27125), (1085, 25375), (1225, 22475), (1421, 19375), (1519, 18125), (3625, 7595), (3875, 7105), (4375, 6293), (4495, 6125), (5075, 5425)]