27690905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 10325095

約数列:

[1, 5, 11, 31, 55, 109, 149, 155, 341, 545, 745, 1199, 1639, 1705, 3379, 4619, 5995, 8195, 16241, 16895, 23095, 37169, 50809, 81205, 178651, 185845, 254045, 503471, 893255, 2517355, 5538181, 27690905]

約数ペア:

[(1, 27690905), (5, 5538181), (11, 2517355), (31, 893255), (55, 503471), (109, 254045), (149, 185845), (155, 178651), (341, 81205), (545, 50809), (745, 37169), (1199, 23095), (1639, 16895), (1705, 16241), (3379, 8195), (4619, 5995)]