129171879

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 188907264

約数和(自身を除く): 59735385

約数列:

[1, 3, 9, 211, 251, 271, 633, 753, 813, 1899, 2259, 2439, 52961, 57181, 68021, 158883, 171543, 204063, 476649, 514629, 612189, 14352431, 43057293, 129171879]

約数ペア:

[(1, 129171879), (3, 43057293), (9, 14352431), (211, 612189), (251, 514629), (271, 476649), (633, 204063), (753, 171543), (813, 158883), (1899, 68021), (2259, 57181), (2439, 52961)]