28801791

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 16817409

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 393, 459, 479, 1179, 1437, 2227, 3537, 4311, 6681, 8143, 12933, 20043, 24429, 60129, 62749, 73287, 188247, 219861, 564741, 1066733, 1694223, 3200199, 9600597, 28801791]

約数ペア:

[(1, 28801791), (3, 9600597), (9, 3200199), (17, 1694223), (27, 1066733), (51, 564741), (131, 219861), (153, 188247), (393, 73287), (459, 62749), (479, 60129), (1179, 24429), (1437, 20043), (2227, 12933), (3537, 8143), (4311, 6681)]