161642817

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7187}}^1$

素因数の和:7227

約数の個数: 48

約数和(自身を含む): 294995520

約数和(自身を除く): 133352703

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1323, 2499, 3213, 7187, 7497, 21561, 22491, 50309, 64683, 122179, 150927, 194049, 352163, 366537, 452781, 855253, 1056489, 1099611, 1358343, 2565759, 3169467, 3298833, 5986771, 7697277, 9508401, 17960313, 23091831, 53880939, 161642817]

約数ペア:

[(1, 161642817), (3, 53880939), (7, 23091831), (9, 17960313), (17, 9508401), (21, 7697277), (27, 5986771), (49, 3298833), (51, 3169467), (63, 2565759), (119, 1358343), (147, 1099611), (153, 1056489), (189, 855253), (357, 452781), (441, 366537), (459, 352163), (833, 194049), (1071, 150927), (1323, 122179), (2499, 64683), (3213, 50309), (7187, 22491), (7497, 21561)]