28013175

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 52615680

約数和(自身を除く): 24602505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 883, 1175, 1269, 2115, 2649, 3525, 4415, 6345, 7947, 10575, 13245, 22075, 23841, 31725, 39735, 41501, 66225, 119205, 124503, 198675, 207505, 373509, 596025, 622515, 1037525, 1120527, 1867545, 3112575, 5602635, 9337725, 28013175]

約数ペア:

[(1, 28013175), (3, 9337725), (5, 5602635), (9, 3112575), (15, 1867545), (25, 1120527), (27, 1037525), (45, 622515), (47, 596025), (75, 373509), (135, 207505), (141, 198675), (225, 124503), (235, 119205), (423, 66225), (675, 41501), (705, 39735), (883, 31725), (1175, 23841), (1269, 22075), (2115, 13245), (2649, 10575), (3525, 7947), (4415, 6345)]