172904277

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4987}}^1$

素因数の和:5137

約数の個数: 32

約数和(自身を含む): 286031872

約数和(自身を除く): 113127595

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 889, 1651, 2667, 4953, 4987, 11557, 14961, 34671, 34909, 64831, 104727, 194493, 453817, 633349, 1361451, 1900047, 4433443, 8233537, 13300329, 24700611, 57634759, 172904277]

約数ペア:

[(1, 172904277), (3, 57634759), (7, 24700611), (13, 13300329), (21, 8233537), (39, 4433443), (91, 1900047), (127, 1361451), (273, 633349), (381, 453817), (889, 194493), (1651, 104727), (2667, 64831), (4953, 34909), (4987, 34671), (11557, 14961)]