28631655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 27977625

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, 2879, 3315, 8637, 9945, 14395, 25911, 37427, 43185, 48943, 112281, 129555, 146829, 187135, 244715, 336843, 440487, 561405, 636259, 734145, 1684215, 1908777, 2202435, 3181295, 5726331, 9543885, 28631655]

約数ペア:

[(1, 28631655), (3, 9543885), (5, 5726331), (9, 3181295), (13, 2202435), (15, 1908777), (17, 1684215), (39, 734145), (45, 636259), (51, 561405), (65, 440487), (85, 336843), (117, 244715), (153, 187135), (195, 146829), (221, 129555), (255, 112281), (585, 48943), (663, 43185), (765, 37427), (1105, 25911), (1989, 14395), (2879, 9945), (3315, 8637)]