28429725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16481}}^1$

素因数の和:16517

約数の個数: 24

約数和(自身を含む): 49050432

約数和(自身を除く): 20620707

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16481, 49443, 82405, 247215, 379063, 412025, 1137189, 1236075, 1895315, 5685945, 9476575, 28429725]

約数ペア:

[(1, 28429725), (3, 9476575), (5, 5685945), (15, 1895315), (23, 1236075), (25, 1137189), (69, 412025), (75, 379063), (115, 247215), (345, 82405), (575, 49443), (1725, 16481)]