31135509

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20231}}^1$

素因数の和:20262

約数の個数: 20

約数和(自身を含む): 48961440

約数和(自身を除く): 17825931

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20231, 60693, 182079, 384389, 546237, 1153167, 1638711, 3459501, 10378503, 31135509]

約数ペア:

[(1, 31135509), (3, 10378503), (9, 3459501), (19, 1638711), (27, 1153167), (57, 546237), (81, 384389), (171, 182079), (513, 60693), (1539, 20231)]