81543294

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215723}}^1$

素因数の和:215741

約数の個数: 32

約数和(自身を含む): 207095040

約数和(自身を除く): 125551746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215723, 431446, 647169, 1294338, 1510061, 1941507, 3020122, 3883014, 4530183, 5824521, 9060366, 11649042, 13590549, 27181098, 40771647, 81543294]

約数ペア:

[(1, 81543294), (2, 40771647), (3, 27181098), (6, 13590549), (7, 11649042), (9, 9060366), (14, 5824521), (18, 4530183), (21, 3883014), (27, 3020122), (42, 1941507), (54, 1510061), (63, 1294338), (126, 647169), (189, 431446), (378, 215723)]