42207963

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9947

約数の個数: 24

約数和(自身を含む): 67729680

約数和(自身を除く): 25521717

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 9901, 29703, 69307, 207921, 287129, 485149, 861387, 1455447, 2009903, 6029709, 14069321, 42207963]

約数ペア:

[(1, 42207963), (3, 14069321), (7, 6029709), (21, 2009903), (29, 1455447), (49, 861387), (87, 485149), (147, 287129), (203, 207921), (609, 69307), (1421, 29703), (4263, 9901)]