31297227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 49424928

約数和(自身を除く): 18127701

約数列:

[1, 3, 13, 23, 37, 39, 41, 69, 111, 123, 299, 481, 529, 533, 851, 897, 943, 1443, 1517, 1587, 1599, 2553, 2829, 4551, 6877, 11063, 12259, 19573, 19721, 20631, 21689, 33189, 34891, 36777, 58719, 59163, 65067, 104673, 254449, 281957, 453583, 763347, 802493, 845871, 1360749, 2407479, 10432409, 31297227]

約数ペア:

[(1, 31297227), (3, 10432409), (13, 2407479), (23, 1360749), (37, 845871), (39, 802493), (41, 763347), (69, 453583), (111, 281957), (123, 254449), (299, 104673), (481, 65067), (529, 59163), (533, 58719), (851, 36777), (897, 34891), (943, 33189), (1443, 21689), (1517, 20631), (1587, 19721), (1599, 19573), (2553, 12259), (2829, 11063), (4551, 6877)]