27871195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 11008805

約数列:

[1, 5, 11, 19, 55, 95, 149, 179, 209, 745, 895, 1045, 1639, 1969, 2831, 3401, 8195, 9845, 14155, 17005, 26671, 31141, 37411, 133355, 155705, 187055, 293381, 506749, 1466905, 2533745, 5574239, 27871195]

約数ペア:

[(1, 27871195), (5, 5574239), (11, 2533745), (19, 1466905), (55, 506749), (95, 293381), (149, 187055), (179, 155705), (209, 133355), (745, 37411), (895, 31141), (1045, 26671), (1639, 17005), (1969, 14155), (2831, 9845), (3401, 8195)]