191572173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 311351040

約数和(自身を除く): 119778867

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 131, 261, 377, 393, 431, 1131, 1179, 1293, 1703, 3393, 3799, 3879, 5109, 5603, 11397, 12499, 15327, 16809, 34191, 37497, 49387, 50427, 56461, 112491, 148161, 162487, 169383, 444483, 487461, 508149, 733993, 1462383, 1637369, 2201979, 4912107, 6605937, 14736321, 21285797, 63857391, 191572173]

約数ペア:

[(1, 191572173), (3, 63857391), (9, 21285797), (13, 14736321), (29, 6605937), (39, 4912107), (87, 2201979), (117, 1637369), (131, 1462383), (261, 733993), (377, 508149), (393, 487461), (431, 444483), (1131, 169383), (1179, 162487), (1293, 148161), (1703, 112491), (3393, 56461), (3799, 50427), (3879, 49387), (5109, 37497), (5603, 34191), (11397, 16809), (12499, 15327)]