290432223

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{76289}}^1$

素因数の和:76348

約数の個数: 20

約数和(自身を含む): 443092320

約数和(自身を除く): 152660097

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 76289, 228867, 686601, 2059803, 3585583, 6179409, 10756749, 32270247, 96810741, 290432223]

約数ペア:

[(1, 290432223), (3, 96810741), (9, 32270247), (27, 10756749), (47, 6179409), (81, 3585583), (141, 2059803), (423, 686601), (1269, 228867), (3807, 76289)]