16643487

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 27907200

約数和(自身を除く): 11263713

約数列:

[1, 3, 7, 19, 21, 49, 57, 59, 101, 133, 147, 177, 303, 399, 413, 707, 931, 1121, 1239, 1919, 2121, 2793, 2891, 3363, 4949, 5757, 5959, 7847, 8673, 13433, 14847, 17877, 23541, 40299, 41713, 54929, 94031, 113221, 125139, 164787, 282093, 291991, 339663, 792547, 875973, 2377641, 5547829, 16643487]

約数ペア:

[(1, 16643487), (3, 5547829), (7, 2377641), (19, 875973), (21, 792547), (49, 339663), (57, 291991), (59, 282093), (101, 164787), (133, 125139), (147, 113221), (177, 94031), (303, 54929), (399, 41713), (413, 40299), (707, 23541), (931, 17877), (1121, 14847), (1239, 13433), (1919, 8673), (2121, 7847), (2793, 5959), (2891, 5757), (3363, 4949)]