216606879

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{56897}}^1$

素因数の和:56956

約数の個数: 20

約数和(自身を含む): 330463584

約数和(自身を除く): 113856705

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 56897, 170691, 512073, 1536219, 2674159, 4608657, 8022477, 24067431, 72202293, 216606879]

約数ペア:

[(1, 216606879), (3, 72202293), (9, 24067431), (27, 8022477), (47, 4608657), (81, 2674159), (141, 1536219), (423, 512073), (1269, 170691), (3807, 56897)]