66181869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 108186624

約数和(自身を除く): 42004755

約数列:

[1, 3, 9, 13, 31, 39, 71, 93, 117, 213, 257, 279, 403, 639, 771, 923, 1209, 2201, 2313, 2769, 3341, 3627, 6603, 7967, 8307, 10023, 18247, 19809, 23901, 28613, 30069, 54741, 71703, 85839, 103571, 164223, 237211, 257517, 310713, 565657, 711633, 932139, 1696971, 2134899, 5090913, 7353541, 22060623, 66181869]

約数ペア:

[(1, 66181869), (3, 22060623), (9, 7353541), (13, 5090913), (31, 2134899), (39, 1696971), (71, 932139), (93, 711633), (117, 565657), (213, 310713), (257, 257517), (279, 237211), (403, 164223), (639, 103571), (771, 85839), (923, 71703), (1209, 54741), (2201, 30069), (2313, 28613), (2769, 23901), (3341, 19809), (3627, 18247), (6603, 10023), (7967, 8307)]