198144711

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{128749}}^1$

素因数の和:128780

約数の個数: 20

約数和(自身を含む): 311575000

約数和(自身を除く): 113430289

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 128749, 386247, 1158741, 2446231, 3476223, 7338693, 10428669, 22016079, 66048237, 198144711]

約数ペア:

[(1, 198144711), (3, 66048237), (9, 22016079), (19, 10428669), (27, 7338693), (57, 3476223), (81, 2446231), (171, 1158741), (513, 386247), (1539, 128749)]