13389219

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{3517}}^1$

素因数の和:3576

約数の個数: 20

約数和(自身を含む): 20432544

約数和(自身を除く): 7043325

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3517, 3807, 10551, 31653, 94959, 165299, 284877, 495897, 1487691, 4463073, 13389219]

約数ペア:

[(1, 13389219), (3, 4463073), (9, 1487691), (27, 495897), (47, 284877), (81, 165299), (141, 94959), (423, 31653), (1269, 10551), (3517, 3807)]