180319995

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{25523}}^1$

素因数の和:25691

約数の個数: 24

約数和(自身を含む): 314557776

約数和(自身を除く): 134237781

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 25523, 76569, 127615, 229707, 382845, 1148535, 4007111, 12021333, 20035555, 36063999, 60106665, 180319995]

約数ペア:

[(1, 180319995), (3, 60106665), (5, 36063999), (9, 20035555), (15, 12021333), (45, 4007111), (157, 1148535), (471, 382845), (785, 229707), (1413, 127615), (2355, 76569), (7065, 25523)]