28034955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 55429920

約数和(自身を除く): 27394965

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2819, 3315, 8457, 9945, 14095, 25371, 36647, 42285, 47923, 109941, 126855, 143769, 183235, 239615, 329823, 431307, 549705, 622999, 718845, 1649115, 1868997, 2156535, 3114995, 5606991, 9344985, 28034955]

約数ペア:

[(1, 28034955), (3, 9344985), (5, 5606991), (9, 3114995), (13, 2156535), (15, 1868997), (17, 1649115), (39, 718845), (45, 622999), (51, 549705), (65, 431307), (85, 329823), (117, 239615), (153, 183235), (195, 143769), (221, 126855), (255, 109941), (585, 47923), (663, 42285), (765, 36647), (1105, 25371), (1989, 14095), (2819, 9945), (3315, 8457)]