67818789

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 107680320

約数和(自身を除く): 39861531

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 531, 617, 621, 1357, 1593, 1851, 1863, 4071, 4779, 5553, 12213, 14191, 16659, 36403, 36639, 42573, 49977, 109209, 109917, 127719, 327627, 383157, 837269, 982881, 1149471, 2511807, 2948643, 7535421, 22606263, 67818789]

約数ペア:

[(1, 67818789), (3, 22606263), (9, 7535421), (23, 2948643), (27, 2511807), (59, 1149471), (69, 982881), (81, 837269), (177, 383157), (207, 327627), (531, 127719), (617, 109917), (621, 109209), (1357, 49977), (1593, 42573), (1851, 36639), (1863, 36403), (4071, 16659), (4779, 14191), (5553, 12213)]