81156642

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{276043}}^1$

素因数の和:276062

約数の個数: 24

約数和(自身を含む): 188814096

約数和(自身を除く): 107657454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 276043, 552086, 828129, 1656258, 1932301, 3864602, 5796903, 11593806, 13526107, 27052214, 40578321, 81156642]

約数ペア:

[(1, 81156642), (2, 40578321), (3, 27052214), (6, 13526107), (7, 11593806), (14, 5796903), (21, 3864602), (42, 1932301), (49, 1656258), (98, 828129), (147, 552086), (294, 276043)]