66948921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1621}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 104502216

約数和(自身を除く): 37553295

約数列:

[1, 3, 9, 13, 39, 117, 353, 1059, 1621, 3177, 4589, 4863, 13767, 14589, 21073, 41301, 63219, 189657, 572213, 1716639, 5149917, 7438769, 22316307, 66948921]

約数ペア:

[(1, 66948921), (3, 22316307), (9, 7438769), (13, 5149917), (39, 1716639), (117, 572213), (353, 189657), (1059, 63219), (1621, 41301), (3177, 21073), (4589, 14589), (4863, 13767)]