171212135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 225738240

約数和(自身を除く): 54526105

約数列:

[1, 5, 19, 37, 67, 95, 185, 335, 703, 727, 1273, 2479, 3515, 3635, 6365, 12395, 13813, 26899, 47101, 48709, 69065, 134495, 235505, 243545, 511081, 925471, 1802233, 2555405, 4627355, 9011165, 34242427, 171212135]

約数ペア:

[(1, 171212135), (5, 34242427), (19, 9011165), (37, 4627355), (67, 2555405), (95, 1802233), (185, 925471), (335, 511081), (703, 243545), (727, 235505), (1273, 134495), (2479, 69065), (3515, 48709), (3635, 47101), (6365, 26899), (12395, 13813)]