207966969

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{9973}}^1$

素因数の和:10317

約数の個数: 24

約数和(自身を含む): 344382272

約数和(自身を除く): 136415303

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 9973, 20853, 29919, 69811, 89757, 209433, 628299, 3301063, 9903189, 23107441, 29709567, 69322323, 207966969]

約数ペア:

[(1, 207966969), (3, 69322323), (7, 29709567), (9, 23107441), (21, 9903189), (63, 3301063), (331, 628299), (993, 209433), (2317, 89757), (2979, 69811), (6951, 29919), (9973, 20853)]