407489523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{5347}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 657162240

約数和(自身を除く): 249672717

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 399, 573, 1337, 3629, 4011, 5347, 10887, 16041, 25403, 37429, 76209, 101593, 112287, 304779, 711151, 1021277, 2133453, 3063831, 7148939, 19404263, 21446817, 58212789, 135829841, 407489523]

約数ペア:

[(1, 407489523), (3, 135829841), (7, 58212789), (19, 21446817), (21, 19404263), (57, 7148939), (133, 3063831), (191, 2133453), (399, 1021277), (573, 711151), (1337, 304779), (3629, 112287), (4011, 101593), (5347, 76209), (10887, 37429), (16041, 25403)]