18197361

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 34280064

約数和(自身を除く): 16082703

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1307, 1547, 1989, 3921, 4641, 9149, 11763, 13923, 16991, 22219, 27447, 50973, 66657, 82341, 118937, 152919, 155533, 199971, 288847, 356811, 466599, 866541, 1070433, 1399797, 2021929, 2599623, 6065787, 18197361]

約数ペア:

[(1, 18197361), (3, 6065787), (7, 2599623), (9, 2021929), (13, 1399797), (17, 1070433), (21, 866541), (39, 466599), (51, 356811), (63, 288847), (91, 199971), (117, 155533), (119, 152919), (153, 118937), (221, 82341), (273, 66657), (357, 50973), (663, 27447), (819, 22219), (1071, 16991), (1307, 13923), (1547, 11763), (1989, 9149), (3921, 4641)]