15571241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 19500480

約数和(自身を除く): 3929239

約数列:

[1, 7, 19, 47, 53, 133, 329, 371, 893, 1007, 2209, 2491, 6251, 7049, 15463, 17437, 41971, 47329, 117077, 293797, 331303, 819539, 2224463, 15571241]

約数ペア:

[(1, 15571241), (7, 2224463), (19, 819539), (47, 331303), (53, 293797), (133, 117077), (329, 47329), (371, 41971), (893, 17437), (1007, 15463), (2209, 7049), (2491, 6251)]