31528665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 63138816

約数和(自身を除く): 31610151

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 707, 909, 991, 1515, 2121, 2973, 3535, 4545, 4955, 6363, 6937, 8919, 10605, 14865, 20811, 31815, 34685, 44595, 62433, 100091, 104055, 300273, 312165, 500455, 700637, 900819, 1501365, 2101911, 3503185, 4504095, 6305733, 10509555, 31528665]

約数ペア:

[(1, 31528665), (3, 10509555), (5, 6305733), (7, 4504095), (9, 3503185), (15, 2101911), (21, 1501365), (35, 900819), (45, 700637), (63, 500455), (101, 312165), (105, 300273), (303, 104055), (315, 100091), (505, 62433), (707, 44595), (909, 34685), (991, 31815), (1515, 20811), (2121, 14865), (2973, 10605), (3535, 8919), (4545, 6937), (4955, 6363)]