28000485

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1535

約数の個数: 40

約数和(自身を含む): 51296256

約数和(自身を除く): 23295771

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 1471, 2115, 3807, 4413, 6345, 7355, 13239, 19035, 22065, 39717, 66195, 69137, 119151, 198585, 207411, 345685, 595755, 622233, 1037055, 1866699, 3111165, 5600097, 9333495, 28000485]

約数ペア:

[(1, 28000485), (3, 9333495), (5, 5600097), (9, 3111165), (15, 1866699), (27, 1037055), (45, 622233), (47, 595755), (81, 345685), (135, 207411), (141, 198585), (235, 119151), (405, 69137), (423, 66195), (705, 39717), (1269, 22065), (1471, 19035), (2115, 13239), (3807, 7355), (4413, 6345)]