28777515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8681}}^1$

素因数の和:8719

約数の個数: 32

約数和(自身を含む): 52508736

約数和(自身を除く): 23731221

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8681, 26043, 43405, 112853, 130215, 147577, 338559, 442731, 564265, 737885, 1692795, 1918501, 2213655, 5755503, 9592505, 28777515]

約数ペア:

[(1, 28777515), (3, 9592505), (5, 5755503), (13, 2213655), (15, 1918501), (17, 1692795), (39, 737885), (51, 564265), (65, 442731), (85, 338559), (195, 147577), (221, 130215), (255, 112853), (663, 43405), (1105, 26043), (3315, 8681)]