72181881

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157259}}^1$

素因数の和:157285

約数の個数: 16

約数和(自身を含む): 113227200

約数和(自身を除く): 41045319

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 157259, 471777, 1415331, 2673403, 4245993, 8020209, 24060627, 72181881]

約数ペア:

[(1, 72181881), (3, 24060627), (9, 8020209), (17, 4245993), (27, 2673403), (51, 1415331), (153, 471777), (459, 157259)]