420471

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:220

約数の個数: 20

約数和(自身を含む): 653400

約数和(自身を除く): 232929

約数列:

[1, 3, 9, 27, 29, 81, 87, 179, 261, 537, 783, 1611, 2349, 4833, 5191, 14499, 15573, 46719, 140157, 420471]

約数ペア:

[(1, 420471), (3, 140157), (9, 46719), (27, 15573), (29, 14499), (81, 5191), (87, 4833), (179, 2349), (261, 1611), (537, 783)]