161760219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 239708160

約数和(自身を除く): 77947941

約数列:

[1, 3, 17, 23, 51, 69, 239, 391, 577, 717, 1173, 1731, 4063, 5497, 9809, 12189, 13271, 16491, 29427, 39813, 93449, 137903, 225607, 280347, 413709, 676821, 2344351, 3171769, 7033053, 9515307, 53920073, 161760219]

約数ペア:

[(1, 161760219), (3, 53920073), (17, 9515307), (23, 7033053), (51, 3171769), (69, 2344351), (239, 676821), (391, 413709), (577, 280347), (717, 225607), (1173, 137903), (1731, 93449), (4063, 39813), (5497, 29427), (9809, 16491), (12189, 13271)]