152801721

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{23879}}^1$

素因数の和:23970

約数の個数: 20

約数和(自身を含む): 231158400

約数和(自身を除く): 78356679

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 23879, 71637, 214911, 644733, 1886441, 1934199, 5659323, 16977969, 50933907, 152801721]

約数ペア:

[(1, 152801721), (3, 50933907), (9, 16977969), (27, 5659323), (79, 1934199), (81, 1886441), (237, 644733), (711, 214911), (2133, 71637), (6399, 23879)]