28647075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16607}}^1$

素因数の和:16643

約数の個数: 24

約数和(自身を含む): 49425408

約数和(自身を除く): 20778333

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16607, 49821, 83035, 249105, 381961, 415175, 1145883, 1245525, 1909805, 5729415, 9549025, 28647075]

約数ペア:

[(1, 28647075), (3, 9549025), (5, 5729415), (15, 1909805), (23, 1245525), (25, 1145883), (69, 415175), (75, 381961), (115, 249105), (345, 83035), (575, 49821), (1725, 16607)]