1188890865

素因数分解:

$3^5\times 5^1\times {\mathrm{978511}}^1$

素因数の和:978531

約数の個数: 24

約数和(自身を含む): 2137070208

約数和(自身を除く): 948179343

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 978511, 2935533, 4892555, 8806599, 14677665, 26419797, 44032995, 79259391, 132098985, 237778173, 396296955, 1188890865]

約数ペア:

[(1, 1188890865), (3, 396296955), (5, 237778173), (9, 132098985), (15, 79259391), (27, 44032995), (45, 26419797), (81, 14677665), (135, 8806599), (243, 4892555), (405, 2935533), (1215, 978511)]