28217685

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30839}}^1$

素因数の和:30908

約数の個数: 16

約数和(自身を含む): 45889920

約数和(自身を除く): 17672235

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 30839, 92517, 154195, 462585, 1881179, 5643537, 9405895, 28217685]

約数ペア:

[(1, 28217685), (3, 9405895), (5, 5643537), (15, 1881179), (61, 462585), (183, 154195), (305, 92517), (915, 30839)]