7142751

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{937}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 12974416

約数和(自身を除く): 5831665

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 937, 1089, 2541, 2811, 6559, 7623, 8433, 10307, 19677, 30921, 59031, 72149, 92763, 113377, 216447, 340131, 649341, 793639, 1020393, 2380917, 7142751]

約数ペア:

[(1, 7142751), (3, 2380917), (7, 1020393), (9, 793639), (11, 649341), (21, 340131), (33, 216447), (63, 113377), (77, 92763), (99, 72149), (121, 59031), (231, 30921), (363, 19677), (693, 10307), (847, 8433), (937, 7623), (1089, 6559), (2541, 2811)]