78453387

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 119669760

約数和(自身を除く): 41216373

約数列:

[1, 3, 9, 27, 47, 141, 211, 293, 423, 633, 879, 1269, 1899, 2637, 5697, 7911, 9917, 13771, 29751, 41313, 61823, 89253, 123939, 185469, 267759, 371817, 556407, 1669221, 2905681, 8717043, 26151129, 78453387]

約数ペア:

[(1, 78453387), (3, 26151129), (9, 8717043), (27, 2905681), (47, 1669221), (141, 556407), (211, 371817), (293, 267759), (423, 185469), (633, 123939), (879, 89253), (1269, 61823), (1899, 41313), (2637, 29751), (5697, 13771), (7911, 9917)]