40290621

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 65049600

約数和(自身を除く): 24758979

約数列:

[1, 3, 7, 19, 21, 57, 133, 241, 399, 419, 723, 1257, 1687, 2933, 4579, 5061, 7961, 8799, 13737, 23883, 32053, 55727, 96159, 100979, 167181, 302937, 706853, 1918601, 2120559, 5755803, 13430207, 40290621]

約数ペア:

[(1, 40290621), (3, 13430207), (7, 5755803), (19, 2120559), (21, 1918601), (57, 706853), (133, 302937), (241, 167181), (399, 100979), (419, 96159), (723, 55727), (1257, 32053), (1687, 23883), (2933, 13737), (4579, 8799), (5061, 7961)]