39807693

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{28909}}^1$

素因数の和:28938

約数の個数: 20

約数和(自身を含む): 62965980

約数和(自身を除く): 23158287

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 28909, 86727, 260181, 491453, 780543, 1474359, 2341629, 4423077, 13269231, 39807693]

約数ペア:

[(1, 39807693), (3, 13269231), (9, 4423077), (17, 2341629), (27, 1474359), (51, 780543), (81, 491453), (153, 260181), (459, 86727), (1377, 28909)]