12870291405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1\times {\mathrm{26947}}^1$

素因数の和:28845

約数の個数: 32

約数和(自身を含む): 21816238464

約数和(自身を除く): 8945947059

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1873, 5619, 9365, 26947, 28095, 31841, 80841, 95523, 134735, 159205, 404205, 458099, 477615, 1374297, 2290495, 6871485, 50471731, 151415193, 252358655, 757075965, 858019427, 2574058281, 4290097135, 12870291405]

約数ペア:

[(1, 12870291405), (3, 4290097135), (5, 2574058281), (15, 858019427), (17, 757075965), (51, 252358655), (85, 151415193), (255, 50471731), (1873, 6871485), (5619, 2290495), (9365, 1374297), (26947, 477615), (28095, 458099), (31841, 404205), (80841, 159205), (95523, 134735)]