27431865

素因数分解:

$3^4\times 5^1\times {\mathrm{67733}}^1$

素因数の和:67750

約数の個数: 20

約数和(自身を含む): 49174884

約数和(自身を除く): 21743019

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 67733, 203199, 338665, 609597, 1015995, 1828791, 3047985, 5486373, 9143955, 27431865]

約数ペア:

[(1, 27431865), (3, 9143955), (5, 5486373), (9, 3047985), (15, 1828791), (27, 1015995), (45, 609597), (81, 338665), (135, 203199), (405, 67733)]