31329423

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20388

約数の個数: 20

約数和(自身を含む): 49266360

約数和(自身を除く): 17936937

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20357, 61071, 183213, 386783, 549639, 1160349, 1648917, 3481047, 10443141, 31329423]

約数ペア:

[(1, 31329423), (3, 10443141), (9, 3481047), (19, 1648917), (27, 1160349), (57, 549639), (81, 386783), (171, 183213), (513, 61071), (1539, 20357)]