1621641

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2654208

約数和(自身を除く): 1032567

約数列:

[1, 3, 7, 21, 31, 47, 53, 93, 141, 159, 217, 329, 371, 651, 987, 1113, 1457, 1643, 2491, 4371, 4929, 7473, 10199, 11501, 17437, 30597, 34503, 52311, 77221, 231663, 540547, 1621641]

約数ペア:

[(1, 1621641), (3, 540547), (7, 231663), (21, 77221), (31, 52311), (47, 34503), (53, 30597), (93, 17437), (141, 11501), (159, 10199), (217, 7473), (329, 4929), (371, 4371), (651, 2491), (987, 1643), (1113, 1457)]