78126789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64621}}^1$

素因数の和:64668

約数の個数: 16

約数和(自身を含む): 115802624

約数和(自身を除く): 37675835

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 64621, 193863, 840073, 2003251, 2520219, 6009753, 26042263, 78126789]

約数ペア:

[(1, 78126789), (3, 26042263), (13, 6009753), (31, 2520219), (39, 2003251), (93, 840073), (403, 193863), (1209, 64621)]