51591465

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 92136960

約数和(自身を除く): 40545495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 1285, 1487, 2313, 3855, 4461, 6939, 7435, 11565, 13383, 22305, 34695, 40149, 66915, 200745, 382159, 1146477, 1910795, 3439431, 5732385, 10318293, 17197155, 51591465]

約数ペア:

[(1, 51591465), (3, 17197155), (5, 10318293), (9, 5732385), (15, 3439431), (27, 1910795), (45, 1146477), (135, 382159), (257, 200745), (771, 66915), (1285, 40149), (1487, 34695), (2313, 22305), (3855, 13383), (4461, 11565), (6939, 7435)]