617139

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 20

約数和(自身を含む): 972840

約数和(自身を除く): 355701

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 401, 513, 1203, 1539, 3609, 7619, 10827, 22857, 32481, 68571, 205713, 617139]

約数ペア:

[(1, 617139), (3, 205713), (9, 68571), (19, 32481), (27, 22857), (57, 10827), (81, 7619), (171, 3609), (401, 1539), (513, 1203)]