2019912975

素因数分解:

$3^2\times 5^2\times {\mathrm{2069}}^1\times {\mathrm{4339}}^1$

素因数の和:6424

約数の個数: 36

約数和(自身を含む): 3620471400

約数和(自身を除く): 1600558425

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2069, 4339, 6207, 10345, 13017, 18621, 21695, 31035, 39051, 51725, 65085, 93105, 108475, 155175, 195255, 325425, 465525, 976275, 8977391, 26932173, 44886955, 80796519, 134660865, 224434775, 403982595, 673304325, 2019912975]

約数ペア:

[(1, 2019912975), (3, 673304325), (5, 403982595), (9, 224434775), (15, 134660865), (25, 80796519), (45, 44886955), (75, 26932173), (225, 8977391), (2069, 976275), (4339, 465525), (6207, 325425), (10345, 195255), (13017, 155175), (18621, 108475), (21695, 93105), (31035, 65085), (39051, 51725)]