1215946755

素因数分解:

$3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{19709}}^1$

素因数の和:20180

約数の個数: 32

約数和(自身を含む): 2166523200

約数和(自身を除く): 950576445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2285, 4113, 6855, 12339, 19709, 20565, 59127, 61695, 98545, 177381, 295635, 532143, 886905, 2660715, 9007013, 27021039, 45035065, 81063117, 135105195, 243189351, 405315585, 1215946755]

約数ペア:

[(1, 1215946755), (3, 405315585), (5, 243189351), (9, 135105195), (15, 81063117), (27, 45035065), (45, 27021039), (135, 9007013), (457, 2660715), (1371, 886905), (2285, 532143), (4113, 295635), (6855, 177381), (12339, 98545), (19709, 61695), (20565, 59127)]