40395957

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 65356800

約数和(自身を除く): 24960843

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 739, 959, 2217, 2603, 2877, 5173, 7809, 14041, 15519, 18221, 42123, 54663, 98287, 101243, 294861, 303729, 708701, 1923617, 2126103, 5770851, 13465319, 40395957]

約数ペア:

[(1, 40395957), (3, 13465319), (7, 5770851), (19, 2126103), (21, 1923617), (57, 708701), (133, 303729), (137, 294861), (399, 101243), (411, 98287), (739, 54663), (959, 42123), (2217, 18221), (2603, 15519), (2877, 14041), (5173, 7809)]