407339907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19883

約数の個数: 32

約数和(自身を含む): 639313920

約数和(自身を除く): 231974013

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1209, 1581, 6851, 19819, 20553, 59457, 257647, 336923, 614389, 772941, 1010769, 1843167, 4379999, 7987057, 10444613, 13139997, 23961171, 31333839, 135779969, 407339907]

約数ペア:

[(1, 407339907), (3, 135779969), (13, 31333839), (17, 23961171), (31, 13139997), (39, 10444613), (51, 7987057), (93, 4379999), (221, 1843167), (403, 1010769), (527, 772941), (663, 614389), (1209, 336923), (1581, 257647), (6851, 59457), (19819, 20553)]