581091

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 930240

約数和(自身を除く): 349149

約数列:

[1, 3, 7, 21, 49, 59, 67, 147, 177, 201, 413, 469, 1239, 1407, 2891, 3283, 3953, 8673, 9849, 11859, 27671, 83013, 193697, 581091]

約数ペア:

[(1, 581091), (3, 193697), (7, 83013), (21, 27671), (49, 11859), (59, 9849), (67, 8673), (147, 3953), (177, 3283), (201, 2891), (413, 1407), (469, 1239)]