28260657

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6155

約数の個数: 24

約数和(自身を含む): 44568160

約数和(自身を除く): 16307503

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 6121, 18363, 55089, 116299, 165267, 348897, 495801, 1046691, 1487403, 3140073, 9420219, 28260657]

約数ペア:

[(1, 28260657), (3, 9420219), (9, 3140073), (19, 1487403), (27, 1046691), (57, 495801), (81, 348897), (171, 165267), (243, 116299), (513, 55089), (1539, 18363), (4617, 6121)]