28200555

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 50965200

約数和(自身を除く): 22764645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 389, 405, 537, 895, 1167, 1611, 1945, 2685, 3501, 4833, 5835, 8055, 10503, 14499, 17505, 24165, 31509, 52515, 69631, 72495, 157545, 208893, 348155, 626679, 1044465, 1880037, 3133395, 5640111, 9400185, 28200555]

約数ペア:

[(1, 28200555), (3, 9400185), (5, 5640111), (9, 3133395), (15, 1880037), (27, 1044465), (45, 626679), (81, 348155), (135, 208893), (179, 157545), (389, 72495), (405, 69631), (537, 52515), (895, 31509), (1167, 24165), (1611, 17505), (1945, 14499), (2685, 10503), (3501, 8055), (4833, 5835)]