28931805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13121}}^1$

素因数の和:13146

約数の個数: 36

約数和(自身を含む): 58340412

約数和(自身を除く): 29408607

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 13121, 39363, 65605, 91847, 118089, 196815, 275541, 459235, 590445, 642929, 826623, 1377705, 1928787, 3214645, 4133115, 5786361, 9643935, 28931805]

約数ペア:

[(1, 28931805), (3, 9643935), (5, 5786361), (7, 4133115), (9, 3214645), (15, 1928787), (21, 1377705), (35, 826623), (45, 642929), (49, 590445), (63, 459235), (105, 275541), (147, 196815), (245, 118089), (315, 91847), (441, 65605), (735, 39363), (2205, 13121)]